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Botany and Zoology.-Gutta Percha, 135.—On the Eyes of the Balanus, by Dr.

LEIDY: A comparison between Sterna Cantiaca, Gm., of Europe, and Sterna

acuflavida, nobis, hitherto considered identical with S. Cantiaca, and a descrip-

tion, of a new species of Wren, by Dr. Cabot, 136.- Notice of a fractured and

repaired Argonauta argo, by Prof. C. B. Adams, 137.-Description of a species

of Haliotis, by Prof. C. B. ADAMS, 138.

Astro nomy.-Lord Rosse's Telescope, 139.-New Planet: Supposed new Star :

On the opinion of Copernicus with respect to the Light of the Planeis, by Prof.

DE MORGAN, 140 : Solar Parallax, 143.

Miscellaneous Intelligence.-Memoire sur les Temperatures de la Mer Glaciale à

la surface, à de grandes profondeurs, et dans le voisinage des Glaciers du Spitz-

berg; par Ch. Martins, 143.- Indurating Building Materials, 145 --Coal in

Chili: Metallurgical Industry of Bohernia : On the Jordan and Dead Sea, by the

late Lieut. MOLYNEUX, 146.-Level of the Caspian and Dead Seas: Cremas-

tochilus in Ant Nests, by S. S. HALDEMAN: Meteor, by D. D. Phares, A.m. :

Common salt, 148.-Geological Map from Soundings : Science at Cambridge:

Expedition in search of Sir John Franklin, 149.

Bibliography.--Researches on the Chemistry of Food and the motion of the juices

in the animal body, by Justus LIEBIG, M.D,: Carices Americæ Septentrion-

alis Exsiccatæ, edidit H. P. SARTWELL, M.D., 149.- Statistics of Coal, by

RICHARD COWLING TAYLOR, F.G.S.L., etc., 150.-Indicis Generum Malaco-

zoorum Prinordia, etc. conscripsit A. N. HERRMANNSEN: Principles of Zoology,

touching the Structure, Development, Distribution and Natural arrangement of

the races of Animals, living and extinct, with numerous illustrations, by Louis

Agassiz and AUGUSTUS A. GOULD, 151.-Observations on the Temple of

Serapis at Pozzuoli near Naples, by CHARLES BABBAGE, 152.- Elements of

Natural Philosophy; being an Experimental Introduction to the Study of the

Physical Sciences, by Goining Bird, A M., M.D., F.R.S., F.L.S., &c. &c.,

153.—An Introduction to the study of Meteorology, by David P. Thomson, M.D.:

Naturwissenschaftliche Abhandlungen, von WILHELM HALDINGER, 154.- Be-

richie Ober die Mittheilungen von Freunden der Naturwissenschaften in

Wien, 155.

List of Works, 155.

NUMBER XVII.

Page.

Art. XII. On the Indian Archipelago, . . . . .

XIII. On the Anomalies presented in the Atomic Volume of Sul.

phur and Nitrogen ; wiib remarks on Chemical Classifi.

cation, and a notice of M. Laurent's Theory of Binary

Molecules; by T. S. Hunt, : : : : :

XIV. Upon the Influence of Color on Dew; by Prof. John

BROCKLESBY, . . . . . . . . . 178

XV. A new Method of extracting Pure Gold from Alloys and

from Ores ; by C. T. Jackson, U.S.G.S., : : . 187

XVI. Discovery of Tellurium in Virginia ; by C. T. Jack-

son, U.S.G.S., . . . . . . . . 188

XVII. Upon a peculiar kind of Isomorphism that plays an import-

ant part in the Mineral Kingdom; by Professor SCHEERER, 189

XVIII. English Prefixes derived from the Greek ; by Professor

J. W. Gibbs, ·

·

· 206

XIX. On a New empirical Formula for ascertaining the Ten.

sion of Vapor of Water at any Temperature ; by J. H.

ALEXANDER, Esq., . . . . . . . 210

XX. Observations on some New England Plants, with characters

of several new species; by EDWARD TUCKERMAN, A.M., 224

Chemistry and Physics.-Ice, a Conductor of Galvanism : Grove's Battery with

only Water used for the Zinc cup, 253.-Oxvd of Zinc in the Porous cup: Se-

lenium: Cause of Irised Colors on Minerals, 254.- On the Radiating Power of

Substances, by A. Masson and L. COURTÉPÉE: On Auriferous Glass, by H.

Rose: Dimorphism of Zinc, 255.-On the Estimation of Urea-Presence of

Urea in the Vitreous Humor of the Eye, by M. E. MILLON: On the Employ.

meni of Gun-cotton in Mining, by M. Combes: On a new Process for preparing

Chloroform, by MM. HURATET and LAROCQUE, 236.-On the Crystallized Hy-

draled Oxyd of Zinc, by M. J. NickLÈS, 257,-Electro-magnetic Balance for

measuring the Intensity of Currents, by M. CH. MÈNE: On certain properties

of Iodine, Phosphorus, Nitric Acid, &c., by M. NIÉPCE DE SAINT Victor, 258.

-Note to a paper on the Chemical Nature of Gelatine, published in the Ameri-

can Journal of Jan., 1848, p. 74, by T. S. Hunt, 259.–Purifying Liquids by

Galvanism : Decomposition of Substances by Steam, and Manufacture of Sul.

phate and Muriate of Potash, 260.

Mineralogy and Geology.-Samarskite, 266.-Bagrationite, a new mineral from

the Urals, by M. DE KOSCHAROV: Pseudomorphism, 267.-On Dolomisation,

by A. von MORLOT, 263.-Three Minerals from the Lake Superior Copper Re-

gion, by J. D. WHITNEY, 269.- Mines of Cinnabar in Upper California, 270.-

Argentiferous Galena and Iron Ore in Algeria, 271.- Emery in Asia Minor :
Fossil Footprints, by Dexter MARSA, 272.-Gold in Canada, 274.-Liebnerite
-a new Mineral : Produce of Gold in the Ural and Siberia in the year

1846, 275.

Zoology.—Pancreatic secretion, 276.—Sponge, 277.

Astronomy.- Neptune, by SEARS C. WALKER, 277.–The tenth Asteroid, Diana :

Shooting Stars of August 10, 1847, 278.-Shooting Stars of August 10, 1848, 279.

Miscellaneous Intelligence.-California, 280.–Verbal Communication from Dr.

Hare, on the Rationale of the Explosion causing the Great Fire of 1845, at New

York, 281.- Building Material, 285.-Types, 287.-- Bullets : Quantity of the

different Grains produced in the United States in 1847: Smithsonian Institu-

tion, 288.–Tenacity of Life in Black Ants, by DEXTER MARSH. 292- Cabinet

and Observalory at Amherst College, Mass: Bromine from the Bittern of Salı

Works, by Messrs. Allis & GILLESPIE, 293,-Bosphorus: American Associa-

tion for the Promotion of Science, 294.-Table of the periods when the Hudson

River opened and closed at Albany, so far as the same can now be ascertained,

295.-Heat and Cold of Ulica : Aimidoscope: Magnetic Perturbations, 296.-

Gold Medal of the Royal Geographical Society of London : Beavers, by D. D.

PHARES: F. Markoe's Mineralogical Cabinet: Meteorite of Arkansas, 297.-

Obituary.-Death of J. Richardson, 297.

Mineralogy and Geology.-New Locality of Idocrase, Anorthite? and Molybde.

Dite, by Prof. J. H. WEBSTER: Lapis Lazuli and Mica: Mica originating from

Hornblende, 425.--Meteoric Iron of Seeläsgen in Brandenburg : Carbonate of

Copper and Zinc, by Prof. A. CONNELL : On the Occurrence of Oros of Mercury

in the Coal Formation of Saarbruck, by HERR Von DxCHEN, 426.--Notes on the

Mines of a portion of the State of Mexico, by Lieut. G. W.RAINES, U.S.N., 427.

Zoology.-On the Structure of the Jaws and Teeth of the Iguanodon, by Dr.

MANTELL, 429.-Notice of fragments of Trilobites of gigantic size in the Cabi.

Del of Dr. Julius S. Taylor, Carrollton, Montgomery County, Ohio: Water

Tubes in Fishes, 431.-Siructure of the Foot in Embryo-Birds, 432,-- American

and European Oyster-catcher: Dr. M. Barry's Physiological Discoveries, 433.

Astronomij. Observations during the Lunar Eclipse, September 12, 1848, by

Lewis M. RUTHERFORD, 435.- Eighth Satellite of Saturn : New Comet : Ele.

ments of the orbit of the planet Hebe, 437.-Elements of the planet Metis :

Speculations on the next planet beyond Neptune, by M. BABINET, 438.-Shoot-

ing Stars of August 10, 1848, 439.

Miscellaneous Intelligence.-Electricity as applied to Telegraphic Purposes, 439,-

The Dead Sea Expedition, 441.-On a remarkable Slide of a Rock' in Fairfield

District, S. C., 443.-Contributions to the Mycology of North America, 444.-

Yield of lead in Great Britain: British Association, 445.-Lithorceramic :

Kumptolite: Dip of Magnetic Needle: Arctic Expedition in search of Sir John

Franklin : Lithographic Limestone: Ray Society : Museum of Economic Ge-

ology, England, 446.-Interesting Collections for sale, 447.- Obituary.-Ber-

zelius, 448.

Bibliography.-Rare and Remarkable Animals of Scotland, represented from living

subjects, with practical observations on their nature, by Sir John GRAHAM

DALYELL, 452.-Recherches sur les Animaux Fossiles; par L. DE KONINCK, 454.

List of Works, 455.

Correction.—Vol. v, ii ser., p. 37, line 12 from bottom, after “times," insert « less than."

P. 403, line 5 from bottom, for quantitative read qualitative.

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