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THE

AMERICAN JOURNAL

OF

SCIENCE AND ARTS.

CONDUCTED BY

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

AND

JAMES D. DANA,

IN CONNECTION WITH

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

VOL. XXIX.-MAY, 1860.

SECOND SERIES.

WITH ONE PLATE AND THREE DIAGRAMS.

NEW HAVEN: EDITORS.

1860.

PRINTED BY E. HAYES, 50 CHAPEL ST.

CONTENTS OF VOLUME XXIX.

NUMBER

LXXXV.

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Chemistry and Physics.-On Platinum and the metals which accompany it, 113.-Blow-

pipe experiments, 114.

Geology-Review.-On some points in the Geology of the Alps, 118.-The Geological

Structure of the “Jornada del Muerto," New Mexico, from the Geological Report of

Capt. John Pope, by G. G. SHUMARD, M.D., 124.—Notice of Fossils from the Permian

strata of Texas and New Mexico, obtained by the United States Expedition under

Capt. John Pope, etc., by B. F. SHUMARD, 125.-Observations on the Geology of the

County of Ste. Geneviève, Missouri, etc., by B. F. SHUMARD, M.D.: Third Series of

Descriptions of Bryozoa, from the Paleozoic Rocks of the Western States and Terri-

tories, by H. A. PROUT, 126.

Botany and Zoology.-Collection of Cuban Plants, 127.-Systematic Arrangement of the

Species of the Genus Cuscuta, etc, by GEORGE ENGELMANN, M.D. On the Distribu-

tion of the Forests and Trees of North America, with Notes on its Physical Geography,

by J. G. COOPER, M.D., 128.-ZOOLOGICAL NOTICES.-Letter of Prof. J. VICTOR

CARUS to the Smithsonian Institution, 129.-Die Klassen und Ordnungen des Thier-

Reichs, wissenschaftlich dargestellt in Wort und Bild, von Dr. H. G. BRONN: De-

scription of Oceania (Turritopsis) nutricula, n. s., and the embryological history of a

singular Medusan Larva found in the cavity of its bell, by Prof. JOHN MCCRADY, 130.

-On the zoological affinities of Graptolites, by Prof. JOHN MCCRADY, 131.-Letters

from Alabama, chiefly relating to Natural History, by PHILIP HENRY GOSSE, F.R.S.:

Sketch of a revision of the genera Mithracide, by WM. STIMPSON, 132.-The Natural

History Review and Quarterly Journal of Science, 133.-An essay on Classification,

by LOUIS AGASSIZ: On the genus Synapta, by WOODWARD and BARRETT, 134.—

Proceedings of Societies, 134, 135.

Astronomy and Meteorology.-Discovery of the 57th planetoid (Mnemosyne): Total Solar

Eclipse of July 18, 1860, 136.-Notice of the Meteor of Nov. 15, 1859, by Prof. E.

LOOMIS, 137.-Meteoric Explosion, in West Tennessee, Sept 1st, 1859, Prof. B W.

MCDONNOLD, 133.—Catalogue of the Meteorites in the Imperial Austrian Collection at

Vienna, by Prof. W. HAIDINGER, 139.

Miscellaneous Scientific Intelligence.-Inquiries into the Phenomena of Respiration,

by EDWARD SMITH, M.D., 142.-Dr. Newberry's Explorations in New Mexico, Utah,

and Texas, 144.-Discovery of Devonian rocks and fossils in Wisconsin Cretaceous

Strata at Gay Head, Mass.: The New Museum of Comparative Zoology at Cambridge,

Messrs. Blake and Chauvenet, 145.-Prof. Dana, 146.

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