| aes CONTENTS. vii 
XXX. Abstract of a Meteorological Journal, ma at al 
Ohio; by 8. P. Hixprern, M.D., - 
XXXI. On the Extraction of Salis from Sea-water ; by £ wguibe 
“Hunt, of:the Gevl. Commission-of Canada, = . 361 
XXXII. Contributions to Analytical Chemistry ; by Henry Wurtz, 371 
XXXIII. The Passage to the North Pole; by Dr. I. I. Haves, 384 
XXXIV. A Chemical Examination of the Commercial Varieties of 
Brown Sugar; by Joun H. ALexanoer and Camppett Morrit, 393 
_ XXXV. Fifth Supplement to Dana’s Mineralogy; by the Author, 396 
XVI. On the effects of Initial Gyratory Velocities, and of Re- 
tarding Forces, on the Motions of the eae by ee 
J. G. Barnanp, A.M., - : 
XXXVI. Supplement to an Svabetihe of ‘North Aion 
Lichenes : : Part first, containing brief eee of New Spe- 
_ cies; pee TucKERMAN, A.M, - - - 422 
dence of J. Wicriis? Sivetash- 
-jcal notice of Pheiied ° Death of Peclet, 430.—Submarine 
railroad between France and England, 431.—Perforation of 
~ Jead by insects, 432.—Academy of Sciences—Distribution 
of Prizes, 433.—Prize in Chemistry : Prize in Physics, 434 
Prize in Geology, 485.—Correspondence of T. Srrerry 
Hunt: On the origin of Feldspars and on some points of 
_ Chemical Lithology, 435.—On Euphotide and Saussurite, 437. 
— 
- 
SCIENTIFIC INTELLIGENCE. 
Chemistry and Physics—On the equivalents of certain Metals: On the preparation of 
a pure compounds of Coriurs m, 433. 
Geology.— Fossils of Nebraska, by F. B. Meex and F. V. Taypen, 439; and by Dr. J. 
F Lerpy, 44!.—Permian of Kansas and New Mexico: Remains of pose, Animals 
among Post-pliocene Fossils in South Carolina, by Francis S. Houmes, 442.—On the 
‘slow rise of the shores of the Baltic: Mean Density of the Earth: Casieusend F ossils 
from Vancouver Island: Temperature of the Earth at great depths, 443,—Ger 
Survey of Canada, by Sir W. E Locan, 444.—fowa Geological Survey : The Che 
_ istry and Metallurgy of Copper, including a description of the principal Copper Mines 
of the United States and other countries, ete., by A. Svowpen Piacot, M.D.: The 
Wheatley Collections: Third Report of the Geological Survey of Kentucky, made 
during the years 1856 and 1857, by Davip Date Owen, etc., 446.—Descriptions of 
New Fossils from the Coal Measures of Missouri and Kansas, by B. F. Suumar 
G. C. SwaLtow, 447. 
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