Vi CONTENTS. 
SCIENTIFIC INTELLIGENCE, . 
Correspondence.—Correspondence of M. J. Nicklés: On Foucault’s New Method of ex- 
hibiting by experiment the Rotation of the Earth, 263.—Inflnence on Astronomical 
guishing ihe by Steam: On Bread, 267.—Chemical Papers read before the eee 
of Sciences: On Electrical Machines: On the apsteoriers of Paper, 268.— ‘ol- 
oring Silk cael the Food of the Silkworms: On Sulphate of Quiuisias: 269. ae the 
Electric Telegtaph, 270. 
Chemistry and Physics —On the Epipolic dha of Light, 270. a  ciaienl 
272.—Fluorid of Antimony: Anhydrous Valerianie Acid, 273—New Compound of 
Cobalt, 274:—Separation of Manganese from rea an a Nickel, by Dr. . “aoutunt "Phos: 
— Acid in some of its relations to Physiology and Pathology, by D, Breen, M.Dv 
Mineralogy and Geology. ea Petalite and Spodumene, by C. Rammenspere, 277.— 
On ve ireeaae by M. Rammexssere: Fossil Bones, probably Reptilian, from the Coal 
Nova Pa Matetiie by Mr, Dawson and Sir Charles Lyell, 279. 
Botany and Zoology.—Mohl, Grundziige der Anatomie und Physiologie der Mag 
aie aia H gare ET Die Pflanzenzelle, der innere Bau, un 
Gewiichse, 279.—Lindley, Folia Orchidacea ; an Enumeration of the known pair of 
obits: giete on = Mode of Vegetation of European and North American Trees: 
transported to Madeira, by Prof. Oswatp Heer, 230.—On Fossil Pachydermata in 
Canada, by IT’. Corr e, 232, 
Astronomy.—The Nineteenth Asteroid: ‘yi? Sweritieth Asteroid : New Planets—T'wenty- 
first saad Twenty-second Asteroid, 283.—T'wenty-third Asteroid, 284. 
yoo s: Intelligence.—Ericsson’s Caloric Engine, 234.—Toronto Observatory, 237.— 
The Total- Ts Stereoscope, by Sir Davip Brewster, 283.—Notice af a Chro-. 
matic Stereoscope, by Sir Davip Brewster, K. H., F.R.S., &e., 239—Spots on the — 
Sun _ Meteor were: at Toulouse os . Petit and at Woelieiiax by M. Abria: Ona- 
new Meteo ne from Giitersloh, 290.—Obituary.—Dr. Daniel Drake, 291.—Prof — 
C. B. Adam 
a Sears C. Walker, pemihe sce, MacGillivray 295. 
Bibliography. he on the Geology of the Lake Superior Land District, by J. W. Fos- E 
rer and J. D. Wurrney, 295.—Report of a Geological Survey of Wisconsin, Iowa and 
Minnesota i. and incidentally of a portion of Nebraska Territory, by DaviD — 
Date Owen, 296 —A History of Infusorial ae histe. =a were) illustrated 
by Bee Lege sieecihes representatives, by ANDREW Parirt p, M.R.L, 
tinet Species of American Ox and American Lion, and a Memoit 
on ar tip Extinet Dicotyling of Ameriea, by Joseru Leipy, M.D.: Proceedings of the 
303, 
Academy of Natural Sciences of Philade) phia, 
List of Works, 303. 
oO 
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