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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.

SECOND SERIES.

VOL. XXVIII.-NOVEMBER, 1859.

WITH A PLATE AND MAP.

NEW HAVEN: EDITORS.

Am 1859.

R. HAYES, PRINTER.

CONTENTS OF VOLUME XXVIII.

NUMBER LXXXII.

Page.

Art. I. On a new Sounding Apparatus for Deep-sea Sounding;

by Prof. W. P. TROWBRIDGE.—With a Plate, V. · ·

II. Notice of New Localities, and interesting varieties of Mine.

rals, in the Lake Superior region; supplementary to the

chapter on this subject, in Part II. of the Report of Foster

and Whitney; by J. D. Whitney, · · · · 8

III. On some questions concerning the Coal Formations of North

America; by L. LESQUEREUX, · · · · · 21

IV. Some Remarks upon the use of the Microscope, as recently

improved, in the investigation of the minute organization of

Living Bodies; by H. JAMES Clark, . . . . 37

V. On Brewsterite ; by J. W. Mallet, . . . . . 48

VI. On the importance of more frequent and more accurate

Deep-sea Soundings in connection with the successful estab.

lishment of a Submarine Telegraph across the Atlantic ;

by Prof. W. P. Trowbridge, . . . . . 51

VII. Abstract of a paper on the Ophiurans, a tribe of Starfishes ;

by Dr. Chr. F. LÜTKEN, . . . . . . 55

VIII. On a Visit to the Recent Eruption of Mauna Loa, Hawaii ;

by Prof. ROBERT C. HASKELL, . . . . .

IX. On some points of Agricultural Science; by Prof. SAMUEL

W. Johnson, · · · · · · · 71

X. On Fossil Plants collected by Dr. John Evans at Vancouver

Island and at Bellingham Bay, Washington Territory,-in

a letter from L. LESQUEREUX 10 J. D. DANA, ·

..

XI. Geographical Notices. No. VIII, . . . . . 89

XII. Alexander von Humboldt-Eulogy by Prof. Agassiz, before

the American Academy of Arts and Sciences, . . 96

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