CONTENTS. 
NUMBER XC. 
Art. XXVIII. Lecture on the Gulf Stream, Prepared at the Re- 
quest of the American Association for the Advancement of 
Science; by A. D. Bacue, Supt. U.S. Coast Survey, . 
XXIX. On Fermented and Aérated Bread, and their a 
tive Dietetic Value; by J. Davetisu, M.D.,; — - : 
XXX. Additional Note on the Potsdam Fossils; by E. “gen 
XXXI. 
The Great Auroral Exhibition of Aug. 28th to dens 4th, 
1859.—6th Article; by Prof. Ex1as Loomis, — - 
XXXII. On the direction of molecular motions in Plane Sictuiduaah 
Light; by Prof. W. H.C. Bartierr, — - : - 
XXXIH. On some Questions concerning the Coal ‘cana of 
North America; by Leo Lesquereux, - 
XXXIV. Additional observations on the Circulation of a. Byes ; 
by Prof. Oepen N. Roop, . 
XXXV. Some experiments and ecalenss in aes to ipaonlet 
Vision; by Prof. Witt1am B. Rogers, - - : - 
XXXVI. Geographical Notices. No. XIV, - - 
Prof. Guyot’s Measurements of the Alesis Syaete 
E. 
‘391.—New Map of the Alleghany System, by Mr. 
Sandoz, 392.—Narrative of a Voyage to Spitzbergen, 
in the year 1613, 393.—Dr. Engelmann’s Measure- 
ment of the Elevation of St. Louis above the Gulf of 
Mexico, 394.—Kiepert’s Neuer Hand Atlas, 396.—Ex- 
ploration of Western British America, 397: 1. Report 
from the Select Committee on the Hudson’s Bay Com- 
pany. House of Commons, 1857.—2. Papers relating 
to the Affairs of British Columbia. London, 1859.— 
3. Northwest Territory. Reports of Progress. By 
Henry Your Hinp, M.A., in charge of the Expedi- 
tion. Toronto, 1859.—4. Report on the exploration of 
the Country between Lake Superior and Red River 
Settlement. By 8. J. Dawson, Esq., C.E. Toronto, 
1859.—5. Geological Survey of Canada. Report of 
Progress for the year 1858. Montreal, 1859.—6. Map 
of the Northwest part of Canada, Indian Territories 
and Hudson’s Bay ; compiled and drawn by Tuos. Dr- 
vinE. Toronto, 1857.—7. Government Map of Can- 
Page. 
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