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lv CON TENTS . 
Page. 
XII. The Open North Polar Sea ; by R. W. Hasxins, A.M., - 84 
XIII. Correspondence of M. Jerome Nicxiis.—-Obituary of 
Cauchy, 91.—Anesthesis by means of Amylene: Anesthesis 
by “Projection,” 95.—Compressed air: Cultivation of Mad- 
der: Toxicology, Researches on Arsenic, 96.—Aquari- 
um, 97. 
SCIENTIFIC INTELLIGENCE. 
' Chemistry and Physics.—Electrolytic investigations, 98—On the influence which metals | 
exert upon radiant heat, 99.—On an optical test for Didymium: On the employment 
of the salts of auidles in the analysis of plants, 100.—On some tt of gallic 
acid: On the combinations of tartaric acid with saccharine matters, 10].—On the 
action of light upon oxalate of peroxyd of iron: On the Chemistry af the Primeval 
y T. Srerry Hunt, 102—On the Amount and Frequency of the Magnetic 
Putiiatices and of the yaaa at Point Barrow, on the Shores of the Polar Sea; by 
jor General Sazine, 103.—On the Direction of Gravity at the Earth’s Surface ; by 
Prof. Hennessy, 106, 
Mineralogy and Geology.—Brucite at Wood’s Mine, Chester Co., 107.-—-Descriptions of | 
New Species of Paleozoic Fossils, by James Hatt: Cosmogony, or the or alll | 
t= 
the Sea level during different Geological Epochs, by Prof. Hennessy, 1 
- Botany and Zoology.—Monographie de la Famille des Urticées, par H. A, WEDDELL, 109. 
—Miquel’s Flora van Nederlandsch Indié, or Flora Indie Batavee, 111.—Walpers : An- 
ae Botanices sedate ae Jahrbiicher fiir Wissenschafiliche Botanik, herausg, 
r. N. Princsuemm: Radlkofer, On the Process of Fecundation in the Vegetable 
Kingssta, and its “ilsden to that in the Animal Kingdom, 112 —Natural re of the 
Spongiade, 114.—Seeman’s Botany of the Voyage of the Herald, parts IX, a 
J. D. Hooker, On the Structure and Affinities of Balanophorew, 116. palace 2 Re- 
searches upon the influence iat assimiluble nitrogen in manures exerts upon the 
production of vegetable matter, etc., 120—Action of foreign pollen upon the Fruit, 122. 
—Structure and development of ma ‘Plowite and Fruit of the Pear, by J. DecatsNe, 123. 
aerarsanpe, Bidrag til en Belkrivelle of Grénland, af J. Reinaanpt, ete 124.— 
on to The Natural History of the United States of America, by Louis 
Pa a 
a 
4 
AGASSIZ, ios 
Astron cing —New Asteroids : New Comets, 128.—New Double Stars discovered by Mr. 
Alvan the Boston, U. S.; with appended Remarks, by the Rev, W. R. Daw gs, 129. 
iscellaneous Scientific Intelligence, Phe Richard Owen of Nashville, Tennessee, on the 
Outlines of the Continents, !30.—On the Supposed Meteorite from Marblehead. by A- A. 
Hayes, 135.—On the Vulcano of ritbdae Hawaii, by the Rev. Tirus Coan: 
quakes, 136.—Tables of the Division of Mankind into Races, Branches, Families and 
Natious, with an ratemnacraths statement of the Population; by M. p’Omaxius p’Hat- 
Loy, 137.—Artesian Wells in Sahara, 140.—Ascent of Chimborazo, 141.—New Electro- 
type Processes: On a new method of Refining Sugar, by Ur. Dauseny, 144. canes 
on the Development of Heat in Agitated we by Mr. G. Rewnig, 145.—Fossi 
South Carolina, eb M. Tvomery and F.8.H gs: On the Direction and Velo 2 
the Ea California, January 9, 1857, co Dr. Joun B. od fe 
of Light, Hie Aacigeil View of the Animal Kingdom, by A. M. Repri ae 
