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Chemistry and Physics.-On the Chlorides of Sulphur, HÜBNER and GUEROUT: On

the soluble and insoluble forms of Sulphur, BERTHELOT, 129.-On the remark a-

ble changes of color produced in certain iodides by heat, MEUSEL: On Tetrame-

thylformene, Lwow, 131.-On an aromatic glycol, GRIMAUX, 132.-On the

production of solid cresol, WURTZ: On the synthesis of aromatic acids, VICTOR

MEYER, 133.-On the constitution of Camphor, VICTOR MEYER, 134.-A Text-

book of Elementary Chemistry, Theoretical and Inorganic, by G. F. Barker, 136.

Geology and Natural History.-A Reply to Mr. Dall's criticism on the Brachiopods

as a division of the Annelids, EDWARD S. MORSE, 136.-On Eozoon Canadense.

WM. KING and Thos. H. RowNEY, 138.-Scientific Expedition to the Rocky

Mountains, Prof. O. C. MARSH, 142.-Monograph of the North American Asta-

cidæ, Dr. H. A. HAGEN, 143.-Preliminary Report on the Crustacea dredged in

the Gulf Stream in the Straits of Florida, L. F. DE POURTALES, 144.-On the

Mineral Constituents of Meteorites, N. S. MASKELYNE: Fossil Mammals of the

Rocky Mountains collected by Dr. Hayden, J. LEIDY: Fossil Mammals from

Oregon, J. LEIDY, 145.-Cretaceous and Tertiary Reptilia and Fishes: Geologi-

cal Survey of Ohio: Gas Wells in Ohio, J. S. NEWBERRY, 146.-Linnaean Hy-

pothesis of the Derivation of Species. 147.-Monograph of the Ranunculacea

of the Dominion of Canada, GEO. LAWSON, 148.-Ersted on characters furnished

by the styles in Cupulifera and Juglandæ, etc., 149.

Miscellaneous Scientific Intelligence.-Meteorological Observations on Mt. Washing-

ton, 149.-Unusual exhibition of halos: Head Waters of the Amazon; Obser-

vations on the Geography and Archæology of Peru. E. G. SQUIER, 150.—Solar

Eclipse: Murchison: Balfour Stewart, 151. Obituary.-G. Bischof: William

Chauvenet, 151.

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Chemistry and Physics.-On the synthesis of indigo blue, 213.--On the products

of the distillation of coal tar having high boiling points: On a new reaction for

Chloroform, A. W. HOFFMAN: On the homologues of Naphthalin, FITTIG and

REMSEN, 214.-On the Spectrum of the Aurora Borealis, JOHN BROWNING, 215.

Geology and Natural History.-Geological Survey of Ohio, 215.--Report on the

Geological Survey of Iowa, by C. A. WHITE, 217.--Report of the Geological Ex-

ploration of the Fortieth Parallel, made under the direction of Maj. Gen. A. A.

Humphreys, etc., by JAMES D. HAGUE, 218.-The Literature of Kent's Cavern,

near Torquay, Devonshire: Atlas der Krystall-formen des Mineralreiches, von

Dr. ALBRECHT SCHRAUF: Synopsis of the Extinct Batrachia and Reptilia of

North America, by E. D. COPE, 220.-The Phosphate Rocks of South Carolina;

their History and Development, by FRANCIS S. HOLMES: Geognostisch-mineral-

ogische Fragmenta aus Italien, III Thiel, Die Insel Elba, by G. VOM RATH:

Lophiotherium sylvaticum: Auchenia Californica: Protohippus of Leidy: Fossil

Reptiles of the Cretaceous of Kansas: General Chart showing the amount and

yield of Mineral fuel in Austria in the year 1868, by FR. FOETTERLE, 221.--Rho-

dodendreæ Asia Orientalis, 222.--Flora Australiensis: Marsilia and Pilulariæ,

revised by A. BRAUN, 223.

Astronomy-Solar Eclipse of Dec. 22; Mediterranean Eclipse, 1870, J. NORMAN

LOCKYER, 224.--Appendix to the Washington Observations of 1868, Com. SANDS:

Professor Young on the Eclipse, 230.

Miscellaneous Scientific Intelligence.-On Spontaneous Generation, by E. FRANKLAND,

230.-Statistics of Mines and Mining in the States and Territories west of the

Rocky Mountains, by R. W. RAYMOND: Fall of Rain at Hilo, Hawaii, 232.-

A short course in Astronomy and the use of Globes, by HENRY KIDDLE, 233.--

Obituary-William Chauvenet. 233.

Chemistry and Physics.-On some Lecture-experiments, JULIUS THOMSEN, 296.—

On Ozone and Antozone, ENGLER and NASSE, 297.-On the Peroxides obtained

by Electrolysis, WERNICKE, 298.-A Laboratory Text-book of Practical Chemis-

try; or Introduction to Qualitative Analysis, WM. G. VALENTIN, 299.-A Series

of Chemical Problems for use in Colleges and Schools, T. E. THORPE, 300.

Geology and Natural History.-California Geological Survey, 300.-Geological Sur-

vey of Illinois, 301.-Burning of the State Geological Rooms at Springfield, Ill.,

303.—Report of the Geological Survey of Iowa, Vol. II: Historical notes of the

Earthquakes of New England, W. T. BRIGHAM, 304.-Preliminary notice of a

new species of Trimerella, from Ohio, F. B. MEEK. 305.-The Phosphate Rocks

of South Carolina, F. S. HOLMES: South African Diamonds: Sciadopitys verti-

cillata, 306.-Musci Appalachiani, specimens of Mosses collected mostly in the

Eastern part of North America, C. F. AUSTIN: Report on the Progress of the

State Geological Survey of Michigan by ALEX. WINCHELL: Annual Report of

the State Geologist of New Jersey, 1870, 307.

Astronomy.-Transit of Venus in 1874, ASAPH HALL, 307.-On a Meteor seen at

Konisha, Minn., T. M. YOUNG: Fall of Meteoric Stones at Concord, Ohio, 308.

Miscellaneous Scientific Intelligence.-Recent Auroral displays in the United States:

On the Color of Lake Geneva and the Mediterranean Sea, 309.-A new Manual

of Logarithms to seven places of decimals, Dr. BRUHNS: Valuation Tables on

the "Combined Experience" or " Actuaries" Rate of Mortality, ELIZUR WRIGHT:

The "Pliocene Skull," Illustrated, 310. Chas. Mayer Wetherill, 310.

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Chemistry and Physics.-On the spectrum of the Aurora Borealis, ZÖLLNER, 372.—

Synthesis of coniin, SCHIFF, 373.-On the basicity of uranic oxide, molybdic,

boric and nitrous acids, SCHULTZ-SELLACK: Researches on Vanadium, RosCOE,

374.-On a new platinum chlorid, S. A. NORTON, 375.-Synthesis of Oil of Rue,

GORUP-BESANEZ and GRIMM: On the action of Chlorine upon Aldehyde; a new

Chloral, KRÄMER and PINNER, 376.-On the composition of the oil of the Palm-

seed, OUDEMANS, 377.

Geology and Natural History.-On the Mineralogy of Eozoon Canadense. R. HOFF-

MANN, 378.-On a Mineral Silicate injecting Paleozoic Crinoids, T. S. HUNT, 379.

On native amorphous Mercuric Sulphide, G. E. MOORE, 380.-Freieslebenite and

Diaphorite: On the Eocene beds of Utah, T. A. CONRAD, 381.-Coal Plants of

the Illinois Geological Survey, 4th Volume, 383.-The Bone Cave of Eastern

Pennsylvania, 384.-Report of the Progress of the State Geological Survey of

Michigan, Alex. Winchell, Director, 385.-Note on Limestone containing Petro-

leum in Nova Scotia, D. HONEYMAN: On Fossil Vertebrates of Caves on the

Island of Anguilla, W. I., E. D. COPE: New York State Cabinet of Natural History:

Saurocephalus of Harlan, COPE: Geology of Ohio: Note on Asaphus platyceph-

alus. J. D. DANA: On the Earthquake at Oahu, W. D. ALEXANDER, 386.-CLAPA-

REDE on Marine Bryozoa: Ceratodus, its place in the System of Fishes, W. Fos-

TER, 387.-Coccoliths, 388.-Transactions of the Connecticut Academy of Arts

and Sciences, 389.-Second and Third Annual Reports of the Trustees of the

Peabody Academy of Science for 1869 and 1870, 390.-On the Genesis of Spe-

cies, ST. GEORGE Mivart, 391.

Miscellaneous Scientific Intelligence.-Anthracite Coal Trade of Pennsylvania, P. W.

SHEAFER: Carbonic Acid in outside and indoor air, 391.-Report of the Board

of Health of the City of Chicago for 1867, 1868 and 1869: Effect of the Eclipse

on the Magnetic Needle, D. MULLER: Establishment of Paul Mohr in Ohio for

the sale of fossils and minerals: Corrosion of lead pipes: Chemical Society, 392.

Obituary.--Lartet: Becquerel: Guillaume Lejean: Haidinger, 392.

Chemistry and Physics.-On a new series of ammonia-platinum bases, CLEVE, 459.

-On the preparation of hydric phosphide for lecture experiments, HOFMANN,

460.--On the direct substitution of the alcohol radicals for the hydrogen in hydric

phosphide, HOFMANN, 461.-On a new mode of formation of Para-oxybenzoic

Acid, REMSEN, 462.-New Spectroscopic Combination, SECCHI, 463.-Lessons in

Elementary Physics, STEWART, 464.

Geology and Natural History.-On Illinois Coal Plants, LESQUEREUX, 465.—On some

points connected with the Cretaceous and Tertiary of North Carolina, CONRAD,

468. On the Earthquake at Oahu, ALEXANDER, 469.-Note on Trimerella acu-

minata, BILLINGS, 471.-Note on the discovery of the opercula of Hyolithes in

New York, FORD: Note on a new and gigantic species of Pterodactyle, MARSH:

Earthquakes, subterranean electrical disturbances, 472.-Geology of Louisiana:

Preliminary Report of the U. S. Geological Survey of Wyoming, and portions of

contiguous Territories: Lehrbuch der physikalischen Mineralogie, SCHRAUF: Min-

eralogische Notizen, HESSENBERG, 473.

Astronomy.-On a Sunspot seen with the naked eye, F. H. SMITH: Discovery of a

new planet, the 113th: Table of Elements of 25 planets, 474.

Botany.-Flora Brasiliensis, MARTIUS: Popular names of British Plants, PRIOR:

Les Fleurs de Pleine Terre, VILMORIN-ANDRIEUX: A Synopsis of all the known

Lilies, BAKER: On the Forms and Distribution over the World of the Batrachium

section of Ranunculus, HIERN, 475.--The Rhododendron, and “American Plants,"

E. S. RAND, 476.

Miscellaneous Scientific Intelligence.-Ventilation of Soldiers' Quarters, 476.-Associ-

ations for the Advancement of Science: Reports of the U. S. Commissioners to

the Paris Universal Exposition, 478.-Obituary.-Charles Mayer Wetherill, 478.

Herschel: Becquerel, 479.

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