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THE

42

AMERICAN JOURNAL

OF

SCIENCE AND ARTS.

CONDUCTED BY

PROFESSORS B. SILLIMAN, B. SILLIMAN, JR.,

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NTIFLE

SCHOOL

PROF. ASA GRAY, OF CAMBRIDGE TO AL
PROF. LOUIS AGASSIZ, OF CAMBRIDGE
DR. WOLCOTT GIBBS, OF NEW YORK.

SECOND SERIES.

VOL. XXVII.-MAY, 1859.

WITH A PLATE.

NEW HAVEN: EDITORS.

1859.

www

E. HAYES, PRINTER.

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Chemistry and Physics.-On the Siliciuret of Hydrogen, 123.-On protoxyd of iron with

caustic potash as a reducing agent, 124.-On the lodid of Methylen: On the action of

Ammonia upon Glyoxal : On the constitution of Tantalite, 125.-On Niobium, 126.—

On the constitution of titaniferous iron ores, 127.—On a new acid obtained by the oxyd-

ation of malic acid: Remarks on Chemical Science, by Sir JOHN HERSCHEL, 128.-

An account of some experiments on Radiant Heat, etc., by Mr. B. STEWART, 132.—

On the Phosphorescent appearance of Electrical Discharges in a Vacuum made in

Flint and Potash Glass, by Mr. J. P. GASSIOT, 133.-On Induced Electric Discharges

when taken in Aqueous Vapor,' by Mr. J. P. GASSIOT, 134.

Geology-On Marcou's "Geology of North America," by Prof. AGASSIZ, 134.-Reply to

Prof. Agassiz on Marcou's Geology of North America, by JAMES D. DANA, 137.—On

some points in American Geological History, by Prof. JAMES SAFFORD, 140.-Post-pleio-

cene of Lewiston, Maine: Untersuchungen über die Entwichelungs-Gesetze der or-

ganischen Welt, etc., by Dr. H. G. BRONN: Further Contributions to the Paleontology

of the Tilestones or Silurio-Devonian Strata of Scotland, by Mr. D. PAGE, 141.

Botany and Zoology-Nereis Boreali-Americana; or Contributions to the History of the

Marine Alge of North America, by Prof. WILLIAM HENRY HARVEY, M.D., M.R.I.A.,

F.L.S., 142.-Species Filicum; being descriptions of all known Ferns, by Sir WILLIAM

JACKSON HOOKER, K.H., &c., 146.--Catalogue of North American Birds, by Prof.

SPENCER F. BAIRD, 147.-Odontology, by Prof. OWEN, 148.

Astronomy.--Douati's Comet, or the Great Comet of 1858, 148.

Miscellaneous Scientific Intelligence.-Tables, Meteorological and Physical, prepared for

the Smithsonian Institution by ARNOLD GUYOT, 149.-On the Heating of the At-

mosphere by Contact with the Earth's Surface, by Prof. HENNESSY: On the De-

crease of Temperature over Elevated Ground, by Prof. HENNESSY, 151.-Death of

Gen. Sir William Reid, R. E., 153.—Journal of the Royal Dublin Society: Chimie ap-

pliqué à la Viticulture et à' l'Enologie, 155.-Post-pleiocene Fossils of South Carolina,

by FRANCIS S. HOLMES, A.M.: The Medical Application of Electricity, by WILLIAM

F. CHANNING, M.D.: New Publications, 156.

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