nitrous, M. Fritsche on
peculiar, secreted by the pulmo-
nary parenchyma, by M. F. Verdeil, 219
phosphoric, means of detecting
the presence of traces of, by MM.
Struve and Svanberg,

-

on the determination of, by
molybdate of ammonla, by W. J.
Craw, Esq.,

on a new mode of separating
from the metallic oxides, by Senor
Alvaro Reynoso,

- picric, as a substitute for hops,
employment of, by M. Dumoulin,

considered as yellow color-

ing matter, by M. J. Girardin,

salicylic, on the conversion of
into monochlorated benzoïc acid, by
.M. L. Chiozza,

sulphurous, on the behavior of
towards some persalts of copper, by
M. Dopping, -

tungstic, observations on, by M.
J. Persoz,

263

454

101

26

271

497

12

300

-

15

valerianic, on a new acid derived
from, by M. V. Dessaignes,
Acids, capric and caprylic, on the oc-
currence of, in some fousel oils, by
Thomas H. Rowney, F. C. S., &c.,

on the action exerted by, by heat
and by the alkaline and earthy chlo-
rides on essence of turpentine, and
on its hydrate, on sugar and on alco-
hol. Production of the ethylic alka-
lies by hydrochlorate of ammonia,
by M. Marcellin Berthelot,

on the combinations of sesquioxide
of uranium with the, by M. Aimé
Girard,