Chapter IV: CHEMISTRY.--A New Laboratory Process for Preparing Hydrobromic

Acid.--By G.S. NEWTH.--Simple synthesis of hydrogen
and bromium

Boron Salts.--Boron sulphides and selenides and silicon selenide

Detection of Peanut Oil in Olive Oil.--A practical laboratory
test for the above adulteration

Hydroxylamine.--Recent preparation of this compound and its
properties

New Boron Compounds.--Compounds of boron, phosphorus, and
iodine recently prepared by M. MOISSAN

Sapotin, a New Glucoside.--By GUSTAVE MICHAUD.--Preparation
of a new glucoside from almonds and other sources