Chapter II: Part 2

_Female._ Purple shining, blue on each side and beneath. Head in
front, proboscis, palpi and legs black. Third joint of the antennæ
piceous. Wings slightly greyish; veins black; præbrachial vein
forming a gentle curve at its flexure, which is very near the
border, indistinctly curved outward from thence to its tip; discal
transverse vein almost straight, parted by little more than half its
length from the border, and by about its length from the flexure of
the præbrachial vein. Alulæ grey. Length of the body 2½–2¾ lines; of
the wings 5–5½ lines.

_Var._ β. Bluish-green. Scutellum purplish-blue. Discal transverse
vein very indistinctly curved inward.

Singapore.

90. MUSCA PERFIXA, n. s. (genus Pyrellia, _Desv._), fœm. Purpurea,
capite palpis antennis pedibusque nigris, alis limpidis.

_Female._ Very nearly allied to _M. refixa_. Purple, shining. Head and
appendages and legs black. Wings limpid; veins black; præbrachial
vein forming a gentle curve at its flexure which is very near the
border, straight from thence to its tip; discal transverse vein
almost straight, parted by about half its length from the border,
and by a little more than its length from the flexure of the
præbrachial vein. Alulæ whitish. Length of the body 3 lines; of the
wings 6 lines.

Mount Ophir.

91. MUSCA AFFIXA, n. s. (genus Morellia, _Desv._), mas. Obscurè nigra,
capite antico albo, thoracis vittis tribus latis albidis, abdomine
subtessellato, alis subcinereis.

_Male._ Dull black. Head white in front. Thorax with three broad
whitish stripes. Abdomen slightly tessellated. Wings greyish; veins
black; præbrachial vein forming a gentle curve at its flexure which
is very near the border, nearly straight from its flexure to its
tip; discal transverse vein hardly undulating, parted by less than
half its length from the border, and by little less than its length
from the flexure of the præbrachial vein. Alulæ grey. Length of the
body 4 lines; of the wings 7 lines.

Mount Ophir.

Subfam. ANTHOMYIDES, _Walk._

Gen. ARICIA, _Macq._

92. ARICIA ARGENTATA, n. s., mas. Cana, capite argenteo, palpis
antennis pedibusque nigris, thoracis vittis duabus nigricantibus,
scutelli apice testaceo, abdominis maculis quatuor nigris dorsalibus
basi testaceo, femoribus testaceis, alis subcinereis.

_Male._ Hoary. Head silvery-white. Proboscis, palpi, antennæ and legs
black. Thorax with two blackish stripes. Scutellum towards the tip
and femora testaceous. Abdomen with four black dorsal spots,
testaceous towards the base. Wings and alulæ slightly greyish; veins
black, testaceous towards the base; cubital and præbrachial veins
slightly diverging for about two-thirds of their length from the
præbrachial transverse vein, very slightly converging from thence to
the border; discal transverse vein oblique, slightly curved inward
along its hind half, parted by a little more than its length from
the præbrachial transverse, and by much less than its length from
the border. Length of the body 3½ lines; of the wings 6 lines.

Malacca.

Gen. HYDROTÆA, _Macq._

93. HYDROTÆA SOLENNIS, n. s., mas. Nigra, capite cano, thorace
subcinereo nigro-trivittato, abdomine longi-obconico, tibiis
ferrugineis, alis subcinoreis.

_Male._ Black. Head hoary in front. Thorax slightly cinereous, with
three black stripes. Abdomen elongate-obconical. Tibiæ ferruginous.
Wings slightly greyish; veins black, testaceous at the base; cubital
and præbrachial veins slightly diverging for nearly two-thirds of
their length from the præbrachial transverse vein, very slightly
converging from thence to the border; discal transverse vein
oblique, curved inward in the middle, parted by about its length
from the præbrachial transverse and by little more than half its
length from the border. Alulæ greyish. Length of the body 2¾ lines;
of the wings 5 lines.

Mount Ophir, at the height of 4000 feet.

94. ARICIA PATULA, n. s., mas. Nigra sat lata, antennis, thoracis
lateribus, abdomine pedibusque fulvis, abdominis apice tarsisque
nigris, alia cinereis.

_Male._ Black, rather broad. Eyes bright red. Antennæ, sides of the
thorax, scutellum, abdomen and legs tawny. Abdomen hardly longer
than broad, black towards the tip. Tarsi black. Wings and alulæ
grey; veins black, tawny towards the base; cubital and præbrachial
veins diverging for more than two-thirds of their length from the
præbrachial transverse, parallel from thence to their tips; discal
transverse vein very oblique, curved inward near its hind end,
parted by more than half its length from the border, and by very
little more than its length from the præbrachial transverse vein.
Length of the body 3½ lines; of the wings 7 lines.

Singapore.

Subfam. HELOMYZIDES, _Fallen_.

Gen. XARNUTA, n. g. (_Plate I. fig. 4._)

_Helomyzæ_ affinis; _mas et fœm_. _Corpus_ sat latum. _Antennarum_
articulus 3^{us} linearis; arista nuda. _Femora_ antica subtùs
tenuiter spinosa. _Alæ_ latiusculæ.

Allied to _Helomyza_. _Male and Female._ Body rather broad. Third
joint of the antennæ linear, rounded at the tip; arista bare. Fore
femora with slender spines. Wings somewhat broad; discal transverse
vein slightly oblique, parted by much less than half its length from
the border, and by about its length from the præbrachial transverse
vein.

95. XARNUTA LEUCOTELUS, n. s., mas et fœm. Ferrugineo-fulva, antennis
testaceis, pedibus fulvis, alis nigro-fuscis apice albis, margine
postico subcinereo.—Fœm. Abdominis apice nigro.

_Male and Female._ Ferruginous tawny, with black bristles. Head rather
paler. Antennæ testaceous; arista black. Legs tawny; fore femora
with black spines beneath. Wings blackish-brown, greyish along the
hind border for more than half the breadth and less than half the
length from the base; extreme tips white; veins black. Alulæ whitish
testaceous.

_Female._ Tip of the abdomen black. Length of the body 3½ lines; of
the wings 7 lines.

Singapore.

Gen. HELOMYZA, _Fallen_.

96. HELOMYZA INTEREUNS, n. s., mas. Fulva, capite metathorace pectore
pedibusque testaceis, abdominis maculis transversis nigricantibus,
tarsis ferrugineis, alis subcinereis apices versus et apud venam
transversam discalem fuscis.

_Male._ Tawny with black bristles. Head, metathorax, pectus, legs and
halteres testaceous. Abdomen with a transverse blackish mark on the
disk of each segment towards the tip. Tarsi somewhat ferruginous.
Wings slightly greyish; tips brown, which hue is darkest in front;
veins tawny, black towards the tips; transverse veins black. Discal
transverse vein clouded with brown, parted by much less than its
length from the border, and by much more than twice its length from
the præbrachial transverse vein. Alulæ whitish. Length of the body
2½ lines; of the wings 5 lines.

Malacca.

97. HELOMYZA EXEUNS, n. s., mas. Fulva, capite antico, metathorace
pectore pedibusque testaceis, abdominis maculis transversis
nigricantibus, tarsis ferrugineis apice fuscis, alis subcinereis
maculâ apicibusque fuscis.

Very nearly allied to _H. intereuns_. _Male._ Tawny. Head in front,
metathorax, pectus, legs and halteres testaceous. Abdomen with a
transverse blackish mark on the disk of each segment. Tarsi
ferruginous, with black tips. Wings slightly greyish; tips brown;
veins black, tawny at the base; a brown spot on the discal
transverse vein, which is straight, slightly oblique, parted by less
than its length from the border, and by about thrice its length from
the discal transverse vein. Alulæ whitish. Length of the body 2¼
lines; of the wings 4½ lines.

Mount Ophir.

Subfam. LAUXANIDES, _Walk._

Gen. LAUXANIA, _Latr._

98. LAUXANIA EUCERA, n. s., mas. Nigra cinereo-tomentosa, capite
atrobiguttato, antennis piceis longissimis, aristâ albâ, abdomine
pedibusque fulvis, femoribus tibiisque nigro-fasciatis, alis
subcinereis apud costam subluridis.

_Male._ Black, with greyish tomentum. Head with a deep black spot on
each side between the eyes. Proboscis dull tawny. Palpi black.
Antennæ piceous; 1st joint long; 3rd slender, cylindrical, longer
than the 1st and the 2nd together; arista white, pubescent, longer
than the 3rd joint. Abdomen and legs tawny; femora and tibiæ with
black bands; tarsi with black tips. Wings greyish, slightly lurid
along the costa; veins black; discal transverse vein straight,
slightly oblique, parted by less than its length from the border,
and by more than twice its length from the præbrachial transverse
vein. Halteres tawny. Length of the body 2 lines; of the wings 4½
lines.

Singapore.

99. LAUXANIA DETEREUNS, n. s., fœm. Nigra, nitens, antennis piceis,
aristâ nigrâ, tarsis anticis basi tibiisque tarsisque posterioribus
testaceis, alis subcinereis.

_Female._ Black, shining, with black bristles. Antennæ piceous; 3rd
joint elongate-conical, much shorter than that of _L. eucera_;
arista black, pubescent, full thrice the length of the 3rd joint.
Fore tarsi at the base and posterior tibiæ and tarsi testaceous.
Wings slightly greyish; veins and halteres testaceous; discal
transverse vein straight, almost upright, parted by almost its
length from the border and by nearly twice its length from the
præbrachial transverse vein. Length of the body 1¼ line; of the
wings 3 lines.

Mount Ophir, at the height of 4000 feet.

Gen. CELYPHUS, _Dalman_.

100. Celyphus obtectus, _Dalman, Analecta Entomologica_, 32. 1. pl. 2.
B. f. 1–5.

Malacca. Inhabits also Hindostan and the Philippine Islands.

Subfam. ORTALIDES, _Haliday_.

Gen. LAMPROGASTER, _Macq._

101. LAMPROGASTER ZONATA, n. s., fœm. Nigra, capite flavo nigro-vario,
antennis piceis, thorace flavo-quadrivittato, abdomine
flavo-bifasciato, tarsis albis, alis subcinereis maculis costalibus
fasciâque fuscis.

_Female._ Black, shining. Head pale yellow, with four black shining
stripes in front; vertex, with a broad dull black stripe which
occupies the whole breadth behind, is notched on each side between
the eyes, and is narrower in front. Antennæ piceous; 3rd joint
nearly linear, rounded at the tip; arista minutely plumose, more
than twice the length of the 3rd joint. Thorax with four yellow
stripes, one on each side in front of the wings, and one on each
side of the scutum. Abdomen with two yellow bands; 1st slender; 2nd
apical, dilated in the middle of the fore border; knees tawny; tarsi
white, with blackish tips. Wings greyish, slightly lurid and with
brown marks at the base and along the costa, and with a brown band
which extends along the præbrachial vein to half the space between
the latter and the border; discal transverse vein straight, upright,
parted by about one-third of its length from the border, and by much
more than its length from the præbrachial transverse, which is
oblique. Halteres tawny. Length of the body 5 lines; of the wings 10
lines.

Singapore.

102. LAMPROGASTER GLABRA, n. s., mas. Nigra, antennis piceis,
abdominis fasciâ subapicali flavâ, tarsis albis, alis sublimpidis
maculis basalibus fasciisque quatuor fuscis.

_Male._ Black, shining. Antennæ piceous, in structure like those of
_L. zonata_. Abdomen with a slender yellow band near the tip. Tarsi
white, with black tips. Wings nearly limpid, with four brown bands,
slightly testaceous and with some indistinct brown marks at the
base; 1st and 3rd bands entire; 1st broader and darker than the
others; 2nd and 4th interrupted; veins black, testaceous towards the
base; discal transverse vein straight, upright, parted by one-fourth
of its length from the border, and by more than its length from the
præbrachial transverse vein, which is also upright. Halteres tawny.
Length of the body 3 lines; of the wings 6 lines.

Singapore.

103. LAMPROGASTER TRANSVERSA, n. s., fœm. Nigra, capite fulvo fasciis
duabus nigris unâque albidâ, antennis fulvis, thoracis vittis
quatuor dorsalibus fulvis duabusque lateralibus albidis, abdomine
nigro-purpureo basi fulvo maculisque duabus subapicalibus flavis,
pedibus fulvis, tarsis albidis, alis subcinereis fusco sexfasciatis.

_Female._ Black. Head tawny, with two black bands above and a whitish
band in front. Antennæ tawny. Thorax with four dorsal tawny stripes
which are confluent in front and with two lateral whitish stripes.
Abdomen blackish-purple, tawny at the base, and with a yellow spot
on each side near the tip which is lanceolate. Legs tawny; tarsi
whitish, with black tips; hind tibiæ with brownish tips. Wings
slightly greyish, with about six irregular macular brown bands;
veins brown, tawny at the base; discal transverse vein nearly
straight and upright, parted by much less than its length from the
border, and by more than its length from the præbrachial transverse
vein, which is oblique. Halteres testaceous. Length of the body 4
lines; of the wings 8 lines.

Malacca.

104. LAMPROGASTER VITTATA, n. s., mas. Nigra, capite ex parte flavo,
antennis fulvis, thorace flavo-bivittato, scutello flavo-marginato,
abdominis vittâ dorsali flavâ, tarsis albis, alis nigricantibus basi
fasciisque quatuor albidis.

_Male._ Black, shining. Head pale yellow in front, beneath and about
the eyes. Antennæ tawny. Thorax with two yellow stripes; scutellum
with a yellow border. Pectus with an oblique yellow band on each
side. Abdomen with a yellow dorsal stripe. Tarsi white, with black
tips. Wings blackish, whitish at the base, and with four whitish
bands; 1st band irregular; 2nd and 3rd entire; 4th interrupted;
veins black; discal transverse vein straight, upright, parted by
about one-fourth of its length from the border, and by much more
than its length from the præbrachial transverse vein, which is
slightly oblique. Halteres testaceous. Length of the body 3 lines;
of the wings 6 lines.

Singapore.

105. LAMPROGASTER GUTTATA, n. s., fœm. Cinerea, capite nigro
trimaculato anticè testaceo, antennis fulvis, thorace
cano-quinquevittato, lateribus testaceis, abdominis fasciâ anticâ
fulvâ, tarsis albidis, alis subcinereis fasciis octo subinterruptis
fuscis.

_Female._ Black, with cinereous tomentum. Head partly dull testaceous
in front; vertex with three black spots, two in front and one
behind. Antennæ tawny; arista pubescent. Thorax with five hoary
stripes which are connected in front by a transverse band; sides
testaceous. Pectus with an oblique dull testaceous stripe on each
side. Abdomen with a tawny band on the hind border of the first
segment; oviduct slender, lanceolate. Tarsi whitish, with black
tips. Wings greyish, with about eight irregular and partly
interrupted brown bands; veins and halteres testaceous; discal
transverse vein nearly straight and upright, parted by about
one-fourth of its length from the border, and by more than its
length from the præbrachial transverse vein. Length of the body 3
lines; of the wings 6 lines.

Singapore.

106. LAMPROGASTER TRUNCATULA, n. s., fœm. Nigra robusta, abdominis
apice compresso lanceolato, tarsis albis, alis subcinereis lituris
transversis fuscescentibus fasciisque duabus nigro-fuscis.

_Female._ Black, stout, slightly shining. Arista pubescent. Abdomen
compressed and lanceolate at the tip. Tarsi white, with black tips.
Wings slightly greyish, with several slight transverse brownish
marks, and with two blackish-brown bands; the 1st broad, basal, not
extending beyond half the breadth from the costa; the 2nd narrow,
entire, near the 1st; veins black; discal transverse vein straight
and upright, parted by one-third of its length from the border, and
by very much more than its length from the præbrachial transverse
vein. Halteres testaceous. Length of the body 2½ lines; of the wings
5 lines.

Singapore.

Gen. XANGELINA, n. g. (_Plate I. fig. 3._)

_Fœm._ _Corpus_ latiusculum, parce setosum. _Caput_ antice
subdilatatum; facies magna. _Antennæ_ breves; articulus 3^{us}
longi-conicus; arista longa, gracilis, plumata. _Abdomen_
brevi-ovatum, thorace non longius. _Pedes_ breviusculi. _Alæ_
mediocriter latæ; venæ rectæ.

_Female._ Body rather broad, with a few bristles. Head somewhat
dilated in front; face large. Antennæ short; 3rd joint
elongate-conical; arista long, slender, plumose. Abdomen short oval,
not longer than the thorax. Legs rather short. Wings moderately
broad; subcostal vein extending to about one-fourth of the length of
the wing; mediastinal extending a little beyond the subcostal;
radial ending at about seven-eighths of the length; cubital ending
at the tip; cubital and præbrachial almost parallel beyond the
discal transverse vein, which is straight and upright, and parted by
very much more than its length from the præbrachial transverse, and
by much less than its length from the border.

107. XANGELINA BASIGUTTA, n. s., fœm. Testacea, scutello fusco,
abdomine fulvo, alis subcinereis guttâ costali nigrâ venis
transversis nigro-sublimbatis.

_Female._ Testaceous. Proboscis partly brownish. Scutellum brown.
Abdomen tawny. Wings slightly greyish; veins black; a black dot at
the tip of the subcostal vein; transverse veins slightly clouded
with black. Length of the body 2 lines; of the wings 4 lines.

Malacca.

Gen. PLATYSTOMA.

108. PLATYSTOMA RIGIDA, n. s., mas. Ferrugineo-fusca, capite subtùs
albo, antennis piceis, pectore albido, pedibus nigris, alis
nigricantibus albo confertim at interruptè guttatis.

_Male._ Ferruginous-brown, tomentose. Head white behind and beneath,
ferruginous and shining in front. Antennæ piceous; arista slightly
plumose. Pectus whitish. Legs black. Wings blackish, thickly studded
with white dots, which disappear at the base and on an undulating
band beyond the middle; veins black. Length of the body 3 lines; of
the wings 6 lines.

Singapore.

109. PLATYSTOMA STELLATA, n. s., mas. Cinereo-nigra, capite subtùs
albido, antennis fulvis, facie abdominis apice pedibusque nigris
nitentibus, alis obscurè cinereis guttis confertis at interruptis
limpidis.

_Male._ Cinereous-black, tomentose. Head shining black in front,
whitish behind and beneath. Antennæ tawny. Abdomen shining black at
the tip. Legs black and shining. Wings dark grey, with numerous
limpid dots which are comparatively wanting on a blackish-brown
stripe along two-thirds of the length of the costa, and on an
exterior upright band which is connected with the above stripe.
Length of the body 3 lines; of the wings 6 lines.

Malacca.

Gen. THEMARA, n. g. (_Plate I. fig. 5._)

_Mas._ _Corpus_ latiusculum, subsetosum. _Caput_ thorace paullò
angustius. _Antennæ_ epistoma non attingentes; articulus 3^{us}
lanceolatus, longiusculus; arista latè plumosa. _Abdomen_
ellipticum, thorace non longius. _Alæ_ latiusculæ, obscuræ, maculis
pallidis, venis radiali et cubitali undulatis.

_Male._ Body rather broad. Head and thorax slightly setose. Head a
little less broad than the thorax; epistoma not prominent. Proboscis
short. Palpi short, porrect. Antennæ not reaching the epistoma; 3rd
joint lanceolate, rather long; arista deeply plumose, about twice
the length of the 3rd joint. Abdomen elliptical, as long as the
thorax. Wings rather broad, dark, with pale marks; subcostal vein
ending at much beyond one-third of the length; mediastinal ending at
much beyond half the length; radial undulating, ending at about
five-sixths of the length; cubital undulating, ending at the tip of
the wing; præbrachial and subanal hardly undulating; discal
transverse vein straight, nearly upright, parted by one-tenth of its
length from the border, and by more than half its length from the
præbrachial transverse.

110. THEMARA AMPLA, n. s., mas. Ferruginea, subtùs testacea, scutello,
abdominis fusci fasciis tribus pedibusque testaceis, alis obscurè
fuscis, maculis tribus anticis luridis tribusque posticis albis.

_Male._ Ferruginous, slightly shining, testaceous beneath. Head in
front and appendages testaceous. Scutellum and legs testaceous.
Abdomen brown above, testaceous at the base and with two testaceous
bands. Wings dark brown, with three hyaline triangular spots in
front and three on the hind border; the costal spots lurid, the hind
spots white. Length of the body 4 lines; of the wings 8 lines.

Singapore.

Gen. STRUMETA, n. g. (_Plate II. fig. 4._)

_Fœm._ _Corpus_ latiusculum, pubescens, vix setosum. _Abdomen_
brevi-ovatum, thorace latius et paullò longius. _Alæ_ mediocriter
latæ, limpidæ, fasciis fuscis, venâ transversâ præbrachiali
undulatâ, perobliquâ.

_Female._ Body rather broad, dull, pubescent, hardly setose. Head
rather less broad than the thorax; epistoma not prominent. Proboscis
and palpi short. Antennæ mutilated in the insect here described.
Abdomen short oval, broader and a little longer than the thorax.
Wings moderately broad, limpid with brown bands; longitudinal veins
almost straight; subcostal and mediastinal veins almost contiguous;
mediastinal vein ending at much beyond half the length of the wing;
radial ending at a little beyond four-fifths of the length; cubital
ending at somewhat in front of the tip; discal transverse vein
nearly straight and upright, parted by full one-fourth of its length
from the border, and by about its length from the præbrachial
transverse which is undulating and very oblique.

111. STRUMETA CONFORMIS, n. s., fœm. Cervina, thoracis vittis duabus,
metathorace et pectoris disco nigricantibus, pedibus testaceis, alis
limpidis fusco-quadrifasciatis.

_Female._ Fawn-colour. Thorax with two blackish stripes. Metathorax
and disk of the pectus blackish. Legs and halteres testaceous. Wings
limpid, pale brown along the costa, and with four pale brown bands;
1st and 2nd bands connected hindward; veins black, testaceous
towards the base. Length of the body 4 lines; of the wings 7 lines.

Singapore.

Gen. VALONIA, n. g. (_Plate I. fig. 6._)

_Fœm._ _Corpus_ sat angustum, pubescens. _Caput_ anticè subdilatatum.
_Antennæ_ breviusculæ; articulus 3^{us} longi-conicus; arista
pubescens. _Abdomen_ fusiforme, thorace paullò longius. _Pedes_ sat
robusti. _Alæ_ angustæ, obscuræ, maculis limpidis.

Allied to _Platystoma_.—_Female._ Body rather narrow, dull, pubescent.
Head as broad as the thorax, slightly dilated in front; epistoma not
prominent. Proboscis and palpi short. Antennæ rather short, not
reaching the epistoma; 3rd joint elongate-conical; arista pubescent.
Abdomen fusiform, a little longer than the thorax. Legs rather
stout, especially the hind pair. Wings narrow, dark with limpid
spots; subcostal vein ending at before one-third of the length of
the wing; mediastinal ending at much beyond half the length; radial
ending at a little before three-quarters of the length; cubital and
subanal hardly undulating, the former ending at a little in front of
the tip of the wing; discal transverse vein straight and upright,
parted by less than half its length from the border, and by a little
less than its length from the præbrachial transverse.

112. VALONIA COMPLICATA, n. s., fœm. Obscurè cinerea, capite testaceo,
thorace nigro-punctato, abdomine guttis quatuor lateralibus albis
tomentosis subtùs testaceo, pedibus fulvis, femoribus posterioribus
tibiisque posticis nigris, alis subcinereis guttis plurimis
limpidis.

_Female._ Dark grey. Head and appendages testaceous. Thorax punctured
with black; humeral calli black, shining. Abdomen with two white
tomentous dots on each side; underside testaceous. Legs tawny;
posterior femora black, with tawny tips; hind tibiæ blackish except
at the base. Wings greyish, with very numerous limpid dots, blackish
and without dots along more than half the length of the costa; veins
black. Halteres testaceous. Length of the body 3 lines; of the wings
5 lines.

Malacca.

Gen. SOPHIRA, n. g. (_Plate II. fig. 1._)

_Fœm._ _Corpus_ sat angustum, pubescens. _Caput_ thorace paullò
angustius. _Antennarum_ articulus 3^{us} longiusculus,
sublanceolatus; arista plumosa. _Abdomen_ subfusiforme, apice
attenuatum, thorace paullò longius. _Pedes_ graciles. _Alæ_
longiusculæ, sat angustæ, venis limbatis.

_Female._ Body rather narrow, dull, pubescent. Head a little less
broad than the thorax; epistoma not prominent. Proboscis and palpi
short. Antennæ not reaching the epistoma; 3rd joint rather long,
sublanceolate; arista plumose. Abdomen subfusiform, somewhat
attenuated at the tip, a little longer than the thorax. Legs
slender. Wings rather long and narrow; subcostal vein ending at
before one-third of the length of the wing; mediastinal ending at
much beyond half the length; radial ending at about seven-eighths of
the length; cubital ending at very little in front of the tip;
discal transverse vein straight, hardly oblique, parted by
one-fourth of its length from the border, and by very much more than
its length from the præbrachial transverse.

This genus seems to be somewhat allied to the _Helomyzides_.

113. SOPHIRA VENUSTA, n. s., fœm. Testacea, thoracis fasciâ
metathorace abdominisque fasciis tribus maculisque duabus
subapicalibus nigris, tibiis fuscescentibus, alis limpidis venis
fusco-limbatis.

_Female._ Testaceous. Thorax with a black band between the wings.
Metathorax black. Abdomen with three black bands, and with a black
subapical spot on each side. Tibiæ brownish; tarsi tawny. Wings
limpid, lurid in front, striped with brown along most of the veins;
veins black, tawny towards the base; cubital vein minutely setose
towards the base. Length of the body 4 lines; of the wings 8 lines.

Singapore.

Gen. RIOXA, n. g. (_Plate II. fig. 3._)

_Fœm._ _Corpus_ angustum, pubescens. _Caput_ sat parvum, thorace multò
angustius. _Antennarum_ articulus 3^{us} sublinearis; arista rarò
plumosa. _Thorax_ longiovatus. _Abdomen_ fusiforme, thorace multò
angustius, vix longius. _Pedes_ graciles, antici breves. _Alæ_
longæ, mediocriter latæ, obscuræ, guttis albis.

_Female._ Body narrow, dull, pubescent. Head rather small, much less
broad than the thorax; epistoma not prominent. Proboscis and palpi
short. Antennæ not reaching the epistoma; 3rd joint almost linear,
moderately long; arista thinly plumose. Thorax elongate-oval.
Abdomen fusiform, much narrower, but hardly longer than the thorax.
Legs slender; fore legs short. Wings long, moderately broad, dark
with white dots; radial vein ending at rather in front of the tip of
the wing; discal transverse vein almost straight, very oblique,
parted by about one-fourth of its length from the border, and by
somewhat less than its length from the præbrachial transverse.

114. RIOXA LANCEOLATA, n. s., fœm. Cervina, thorace
nigro-quadrivittato, abdomine nigro vittâ dorsali cervinâ, pedibus
testaceis, alis nigricantibus strigâ discali guttisque quinque
albis.

_Female._ Fawn-colour. Proboscis, legs and halteres testaceous. Thorax
with two blackish stripes on each side, the outer pair shortened
hindward. Abdomen black, with a fawn-coloured dorsal stripe which is
attenuated hindward, and does not extend to the tip. Wings blackish,
almost limpid along the hind border for more than half the length
from the base, with a white discal streak and with five white dots;
1st dot in a line with the streak; 2nd very minute, behind the 1st;
3rd on the costa near the tip; 4th larger, apical, near the 5th,
which is on the hind border. Length of the body 5 lines; of the
wings 10 lines.

Singapore.

Gen. XIRIA, n. g. (_Plate II. fig. 2._)

_Mas._ _Corpus_ metallicolor, subsetosum. _Caput_ latiusculum. _Palpi_
longiusculi. _Antennæ_ breves; articulus 3^{us} sublinearis; arista
latè pumosa. _Thorax_ robustus. _Abdomen_ lineare, thorace paullò
longius et multò angustius. _Pedes_ longiusculi, sat validi. _Alæ_
mediocriter longæ latæque.

_Male._ Body metallic, slightly setose. Head rather broad, hardly
narrower than the thorax; epistoma not prominent. Proboscis short.
Palpi porrect, rather long and stout. Antennæ short, not nearly
reaching the epistoma; 3rd joint almost linear; arista deeply
plumose, much more than twice the length of the 3rd joint. Thorax
stout. Abdomen linear, a little longer than the thorax and about
half its breadth. Legs rather long and stout. Wings moderately long
and broad; subcostal vein ending at rather beyond one-third of the
length; mediastinal ending at very much beyond half the length;
radial ending at beyond five-sixths of the length; cubital ending at
hardly in front of the tip; discal transverse nearly straight,
slightly oblique, parted by about half its length from the border,
and by rather more than its length from the præbrachial transverse.

115. XIRIA ANTICA, n. s., mas. Purpurea, capite nigro, antennarum
articulo 3^o ferrugineo, pedibus testaceis, tibiis nigris, tarsis
albis anticis ferrugineis, alis sublimpidis apice nigricantibus
maculis costalibus albis et nigricantibus.

_Male._ Purple. Head and appendages black. Third joint of the antennæ
ferruginous. Legs testaceous; tibiæ black; fore tarsi ferruginous;
posterior tarsi white, with brown tips. Wings nearly limpid, with
two white and two blackish spots on the costa; tips blackish; veins
black, testaceous along the costa. Halteres whitish. Length of the
body 4 lines; of the wings 8 lines.

Mount Ophir.

Subfam. ACHIIDES, _Walk._

Gen. ACHIAS, _Fabr._

116. Achias maculipennis, _Westw._ _Oriental Entomology_, 38. pl. 18.
f. 4. Singapore. Inhabits also Java.

Subfam. DIOPSIDES, _Walk._

Gen. DIOPSIS.

117. DIOPSIS QUINQUEGUTTATA, n. s., fœm. Nigra, proboscide pedibusque
fulvis, his ex parte fuscescentibus, alis nigricantibus basi apice
guttisque quinque sublimpidis. (_Plate II. fig. 7._)

_Female._ Black, shining. Proboscis tawny. Petioles of the eyes about
half the length of the thorax. Scutellum with two spines, which are
more than half the length of the thorax. Legs tawny, partly shaded
with brown. Wings blackish, nearly limpid at the base and at the
tips, and with two interrupted nearly limpid bands, the first of two
dots, the second of three dots; veins black. Length of the body 3
lines; of the wings 4½ lines.

Mount Ophir.

118. DIOPSIS QUADRIGUTTATA, n. s., mas. Picea, capite oculorun
petiolis pedibusque fulvis, his ex parte fuscescentibus, alis
nigricantibus basi fasciâ subapicali guttisque quatuor sublimpidis.
(_Plate II. fig. 6._)

_Male._ Piceous, shining. Head and petioles of the eyes tawny, the
latter fully half the length of the thorax. Scutellum with two
spines, which are less than half the length of the thorax. Legs
tawny, slightly shaded with brown. Wings blackish, nearly limpid at
the base and towards the tips, except the extreme part of the latter
which is slightly blackish; two interrupted nearly limpid bands,
each composed of two dots; veins black. Length of the body 2½ lines;
of the wings 4 lines.

Malacca.

Subfam. SEPSIDES, _Walk._

Gen. CALOBATA, _Fabr._

119. CALOBATA CONFINIS, n. s., fœm. Nigra, capite cyaneo, antennis
piceis, femoribus posterioribus albo-cinctis, tarsis anticis albis,
alis subcinereis fasciis duabus connexis fuscis, 2^a apicali.

_Female._ Black, dull. Head blue, shining. Proboscis and antennæ
piceous. Posterior femora with a white ring near the tips; hind
femora with a white ring at the base; fore tarsi white. Wings
greyish, with two brown bands, the first connected on the hind
border with the second, which is apical; veins black. Halteres
whitish, with black knobs. Length of the body 7 lines; of the wings
10 lines.

Singapore and Mount Ophir.

120. CALOBATA IMMIXTA, n. s., fœm. Nigra, capite cyanescente,
facialibus atris, antennis piceis, pedibus testaceis anticis nigris,
tarsis anticis albis, femoribus posterioribus fasciis quatuor
nigris, alis subcinereis fasciis duabus subconnexis fuscescentibus,
2^a apicali.

_Female._ Black, dull. Head bluish, shining; facialia deep black.
Proboscis and antennæ piceous. Legs testaceous; fore femora black,
testaceous towards the base; fore tibiæ black; fore tarsi white;
posterior femora with four black bands; posterior tibiæ; dull
testaceous, black towards the base; posterior tarsi brownish. Wings
slightly greyish, with two brownish bands, the first slightly
connected on the hind border with the second which is apical; veins
black. Length of the body 5 lines; of the wings 10 lines.

Malacca.

Subfam. PSILIDES, _Walk._

Gen. MICROPEZA, _Macq._

121. MICROPEZA FRAGILIS, n. s. Fulva, femoribus tibiisque anticis
fuscis, tibiis posterioribus basi apiceque fuscis, tarsis anticis
posticisque albidis, alis subcinereis guttis tribus apiceque
limpidis.

Tawny. Fore femora and fore tibiæ brown; posterior tibiæ brownish at
the base and at the tips, fore tarsi and hind tarsi whitish. Wings
very slightly greyish, with three limpid spots forming a curved band
near the tips which are also limpid; veins black. Length of the body
3½–4 lines; of the wings 5–6 lines.

Singapore and Mount Ophir.

Gen. NERIUS, _Wied._

122. Nerius fuscipennis, _Macq. Dipt. Exot._ ii. 3. 241. 1. pl. 325.
f. 5.

Singapore and Mount Ophir. Inhabits also Java and the Philippine
Islands.

Gen. TEXARA, n. g. (_Plate II. fig. 5._)

_Fœm._ _Corpus_ gracile, non setosum. _Caput_ subproductum; facies
brevis. _Antennæ_ epistoma attingentes; articulus 3^{us} clavatus;
arista pubescens, subapicalis. _Thorax_ subfusiformis. _Abdomen_
lanceolatum, thorace angustius et duplò longius. _Pedes_ postici
longi, femoribus incrassatis serratis, tarsis anticis subdilatatis.
_Alæ_ angustæ.

_Female._ Body slender, without bristles. Head slightly produced, as
broad as the thorax; face short; epistoma not prominent. Antennæ
extending to the epistoma; third joint clavate; arista minutely
pubescent, seated near the tip of the third joint. Thorax
subfusiform. Abdomen lanceolate, narrower than the thorax and about
twice its length. Anterior legs moderately long and stout; fore
tarsi slightly dilated; hind legs long; hind femora incrassated,
serrated beneath; hind tibiæ slightly curved. Wings narrow;
subcostal vein not extending to one-third of the length of the wing;
mediastinal vein not extending to half the length; radial extending
to a little beyond three-quarters of the length; cubital ending at
very little in front of the tip of the wing; discal transverse vein
straight, upright, parted by less than its length from the border,
and by about thrice its length from the præbrachial transverse.

123. TEXARA COMPRESSA, n. s., fœm. Nigra, capite nigro-cyaneo subtùs
cano, antennis piceis, aristâ albidâ, alis subcinereis, halteribus
albidis.

_Female._ Black. Head bluish-black, with hoary tomentum beneath.
Antennæ piceous; arista whitish. Wings greyish; veins black.
Halteres whitish. Length of the body 5 lines; of the wings 6 lines.

Singapore.

DESCRIPTION OF PLATES I. AND II.

_Obs._ All the figures are more or less magnified, and the
outline-details comprise the side and front views of the head,
antennæ, and base of the wings.

PLATE I.

_Fig. 1._ _Massicyta bicolor_; 1_a_, head seen sideways; 1_b_, the
head seen in front; 1_c_, antenna.

_Fig. 2._ _Zambesa Ocypteroïdes_; 2_a_, head sideways; 2_b_, ditto
in front; 2_c_, antenna.

_Fig. 3._ _Xangelina basigutta_; 3_a_, head sideways; 3_b_, ditto in
front; 3_c_, antenna; 3_d_, base of the wing.

_Fig. 4._ _Xarnuta leucotelus_; 4_a_, head sideways; 4_b_, ditto in
front; 4_c_, antenna; 4_d_, base of wing.

_Fig. 5._ _Themara ampla_; 5_a_, head sideways; 5_b_, ditto in
front; 5_c_, antenna; 5_d_, base of wing.

_Fig. 6._ _Valonia complicata_; 6_a_, head sideways; 6_b_, ditto in
front; 6_c_, antenna.

PLATE II.

_Fig. 1._ _Sophira venusta_; 1_a_, head sideways; 1_b_, ditto in
front; 1_c_, antenna.

_Fig. 2._ _Xiria antica_; 2_a_, head sideways; 2_b_, ditto in front;
2_c_, antenna.

_Fig. 3._ _Rioxa lanceolata_; 3_a_, head sideways; 3_b_, ditto in
front; 3_c_, antenna.

_Fig. 4._ _Strumeta conformis_; 4_a_, head sideways; 4_b_, ditto in
front.

_Fig. 5._ _Texara compressa_; 5_a_, head sideways; 5_b_, ditto in
front; 5_c_, antenna.

_Fig. 6._ _Diopsis 4-guttata._

_Fig. 7._ _Diopsis 5-guttata._

_Journ. Linn. Soc. Zoo. Vol. 1. pl. 38. t. 1._

_Day & Son, Lith^{rs}. to The Queen._
]

_Journ. Linn. Soc. Zool. Vol. 1. pl. 38. t. 2._

_Day & Son, Lith^{rs}. to The Queen._
]

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TRANSCRIBER’S NOTES

1. Silently corrected obvious typographical errors and variations in spelling. 2. Retained archaic, non-standard, and uncertain spellings as printed. 3. Denoted superscripts by a caret before a single superscript character or a series of superscripted characters enclosed in curly braces, e.g. M^r. or M^{ister}. 4. Enclosed italics font in _underscores_.