THE

八

AMERICAN JOURNAL

OF

SCIENCE AND ARTS.

CONDUCTED BY

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

AND

JAMES D. DANA.

SECOND SERIES.

VOL. IV. NOVEMBER, 1847.

NEW HAVEN:

PRINTED FOR THE EDITORS BY B. L. HAMLEN,

Printer to Yale College.

Sold by H. DAY, New Haven.-LITTLE & BROWN, and W. H. S. JORDAN, Boston.-C. S.
FRANCIS & Co. and WILEY & PUTNAM, New York.-CAREY & HART, Philadelphia.-
N. HICKMAN, Baltimore, Md.-WILEY & PUTNAM, London.-HECTOR BOSSANGE & Co.,
Paris-NESTLER & MELLE, Hamburgh.

CONTENTS OF VOLUME IV.

NUMBER X.

ART. I. On Terrestrial Magnetism; by Prof. WILLIAM A. NORTON,

II. General Geological Distribution and probable Food and Cli-

mate of the Mammoth; by Prof. R. OWEN,

III. Note upon Carex loliacea, Linn., and C. gracilis, Ehrh.; by

A. GRAY,

Page.

1

13

19

22

.

25

IV. Description of Three New Carices, and a New Species of

Rhynchospora; by JOHN CAREY,

V. Observations on the Whirlpool, and on the Rapids, below the

Falls of Niagara; by R. BAKEWELL,

VI. On certain Improvements in the Construction and Supply of

the Hydro-oxygen Blowpipe, by which Rhodium, Iridium, or

the Osmiuret of Iridium, also Platinum in the large way, have

been fused; by Prof. ROBERT HARE, M.D.,

VII. Description of Two New Species of Fossil Footmarks found

in Massachusetts and Connecticut, or, of the Animals that

made them; by Rev. EDWARD HITCHCOCK,

VIII. Glycocoll (Gelatine Sugar) and some of its Products of De-

composition; by Prof. E. N. HORSFORD, (continued,)

IX. On the Potato Disease,

74

X. Report on Meteorites; by Prof. CHARLES UPHAM SHEPARD,

XI. A General Review of the Geological Effects of the Earth's

Cooling from a state of Igneous Fusion; by JAMES D. DANA, 88

XII. Review of the Organic Chemistry of M. CHARLEs Gerhardt;

by T. S. HUNT,

93

Chemistry and Physics.-Congelation of Mercury in three seconds, by virtue of

the spheroidal state, in an incandescent crucible: On a new Test for Prussic

Acid, and on a simple Method of preparing the Sulphocyanid of Ammonium, by

Prof. LIEBIG, 101.-Separation of Alumina from Oxyd of Iron: Detection of

minute traces of Alcohol: On the Acid Reaction of the Gastric Juice, by Prof.

C. G. LEHMANN, 102.-Equivalent number of Titanium, 103.-On the com-

pounds of Iron with Carbon, by M. KARSTEN, 104.-Note on the Action of a so-

lution of Caustic Soda upon a Stoneware Jar, by TRENHAM REEKS, 105.-On

the Detection of Cotton in Linen, by G. C. KINDT, 106.-Nitrification and

Fertilization of Soils, by F. KUHLMANN: Anhydrous Álcohol, by M. CASORIA,

107.-On the Compounds of Phosphoric Acid with Aniline, by ED. C. NICHOL

SON: On the relations of Glycocoll and Alcargene, by THOMAS S. HUNT, 108.

Mineralogy and Geology-Hauerite, a New Mineral Species, by W. HAIDINGER,

108.-Coal and Iron in India, 109.-On Slaty Cleavage, by DANIEL SHARPE, 110.

-Geological Society of London, 113.-Remarks on a Boulder Mass of Native

Copper from the southern shore of Lake Superior, by FORREST SHEPHERD, 115.

-On Fossil Trees found at Bristol, Conn., in the New Red Sandstone, 116.-

Observation on the Basaltic Formation on the northern shore of Lake Su-

perior, by T. R. DUTTON, 118.