Chapter X: Appendix: Plates Belonging to the Article “the Nervous Ganglia of Insects.”

KEY TO THE PLATES.

col. ven.—ventral column.
lob. dors.—dorsal lobe.
lob. ven.—ventral lobe.
lob. v. inf.—inferior or lower ventral lobule.
lob. cr.—crural lobule.
con. dors. sup—superior (or upper) dorsal connective filaments.
con. dors. moy.—medial dorsal connective filaments.
con. dors. inf.—inferior (or lower) dorsal connective filaments.
con. v.—ventral connective filaments.
n. cr.—crural nerve.
n. al.—alary nerve.
lob. al.—alary lobule.
rac. sup—upper (or superior) root.
rac. moy.—medial root.
rac. inf.—lower (or inferior) root.
fa. as.—ascending fasciculus.

_Rhizotrogus solstitialis._ First thoracic ganglion. (Horizontal sections.)]

_Rhizotrogus solstitialis._ First thoracic ganglion. (Horizontal sections.)]

_Rhizotrogus solstitialis._ First thoracic ganglion. (Longitudinal sections.)]

_Rhizotrogus solstitialis._ First thoracic ganglion. (Transversal sections.)]

VOL. III. JANUARY, 1893. NO. 2.

THE MONIST.

THE DOCTRINE OF AUTA.

In the “Scientific Proceedings of the Royal Dublin Society” (Vol. VI,