The American Journal of Science and Arts

Miscellaneous Scientific Intelligence.-Mt. St. Elias: Harbors of Alaska and the Tides
and Currents in their vicinity, by W. H. DALL, 242.-Memoirs of the Peabody

Academy of Science: Annual Report of the Chief of Engineers to the Secretary

of War, for 1875, 243.-Annual Report upon the Geographical Explorations and

Surveys west of the 100th Meridian; by G. M. WHEELER, 244.-Geological Sur-

vey of the Territories, F. V. HAYDEN, 245.-Specific gravity Balance of R. Parish:

Bulletin of the Bussey Institute, 246.-American Museum, Central Park, New

York, 247.-Summer Schools of Zoology and Geology at Cornell University:

Annuaire de la Officina Central Meteorologica De Santiago De Chile, 1873,

248.-Obituary.-George Poulett Scrope, 248.

NUMBER LXIV.

ART. XXXI.-On the Gases contained in Meteorites; by

ARTHUR W. WRIGHT,-

XXXII.-Review of Croll's Climate and Time with especial

reference to the Physical Theories of Climate maintained

therein; by SIMON NEWCOMB,-

XXXIII.-On crystals of Tourmaline with enveloped Ortho-

clase; by EDWARD H. WILLIAMS, JR.,

XXXIV.-The Conglomerate Series of West Virginia; by

XXXV. Results of Experiments on the Set of bars of

Wood, Iron, and Steel, after a Transverse Stress; by

WM. A. NORTON,-

XXXVI.-On the constitutional formulæ of Urea, Uric Acid,

and their derivatives (concluded); by J. W. MALLETT, 291

XXXVII-Evidences of horizontal crushing in the formation

of the Coast Range of California; by JOSEPH LE CONTE, 297

XXXVIII.-Description of Mancasellus brachyurus, a new

fresh-water Isopod; by O. HARGER,

XXXIX. Professor Tyndall on Germs,

XL.-Discovery of a new Planet; by C. H. F. PETERS... 317

APPENDIX.-XLI.-Principal Characters of the Brontothe-
rida; by O. C. MARSH,

SCIENTIFIC INTELLIGENCE.

304

305

335

Chemistry and Physics.-On a Crystallized Hydrate of Hydrochloric acid, PIERRE

and PUCHOT: On the decomposition of Water by Platinum, DEVILLE and Debray,

318.-On a new compound of Sulphur and Oxygen, R. WEBER: On the Purifi-

cation of Carbon disulphide, FRIEDBERG, 319.-The new Metal Gallium, Bois-

BAUDRAN: Conductivity of Gases, M. A. WINKELMANN, 320.-Thermal Properties

of Liquids, M. PICTET: Dependence of Electrical Resistance on the Motion of the

Conductor, M. EDLUND, 321.-Electric Spark with large Batteries, DE LA RUE and

MULLER, 322.-Acoustics, A. M. MAYER, 324.

Botany and Zoology.-Botanical Contributions, 325.-Botanical Necrology: Life

Histories of Animals, including Man, by A. S. PACKARD, JR., 326.-On some re-

markable forms of Animal Life from the great deeps off the Norwegian Coast,

etc., by GEORGE O. SARS, 328.-A Course of Practical Instruction in Elementary

Biology, by HUXLEY and MARTIN: Crustacea of Mexico and Central America, by

M. A. MILNE-EDWARDS: Cumacea from great depths in the Arctic Ocean, by

G. O SARS, 329.-Moa or Dinornis of New Zealand: Carnivorous Reptiles

having some features of Carnivorous Mammals, from the Triassic (?) of South

Africa, Prof. OWEN: The Crustacean, Artemia salina, changed in some of its

characters, etc., W. J. SCHMANKEWITSCH, 330.

Astronomy.-Astronomical and Meteorological Observations made during the year

1873, at the U. S. Observatory, Rear-Admiral B. F. SANDS, Superintendent:

Auxiliary Tables for determining the angle of position of the sun's axis, 331.

Miscellaneous Scientific Intelligence.-Third Report of the Settle Caves (Victoria

Cave) Committee of Exploration, by R. H. TIDDEMAN, 331.-Air and its Relations

to Life, by WALTER N. HARTLEY: Geological and Geographical Survey of the

Territories, F. V. HAYDEN in charge: Compressed Peat: Report of the Superin-

tendent of the U. S. Coast Survey, 332.- Obituary.-I. A. Lapham, 333.-Rev.

Augustus Wing, 334.

NUMBER LXV.

ART. XLII.-On supposed changes in the Nebula M. 17=

h. 2008 G. C. 4403; by EDWARD S. HOLDEN,...

XLIII.-- On the effect of thin plates of Iron used as armatures

for Electro-Magnets, and a new form of Induction Coil;

by JOHN TROWBRIDGE,

XLIV.-Concerning Phosphorus Oxychloride; by IRA REM-

SEN,

XLV. On additional species of Fossils from the Primordial

of Troy and Lansingburgh, Rensselaer County, N. Y.;

by S. W. FORD,- . .

XLVI.—On a simple and very accurate method of tuning

two Forks to unison; by ROBERT SPICE,

XLVII.--Silica of grasses and other plants carried up as Di-

atoms or other siliceous grains, and not in solution or as

soluble silicates; by P. B. WILSON,

XLVIII.-The Conglomerate Series of West Virginia; by

WILLIAM M. FONTAINE,-

XLIX. On new twins of Staurolite and Pyrrhotite; by ED-

WARD S. DANA,

384

L.-Researches on the Solid Carbon Compounds in Meteor-

ites; by J. LAWRENCE SMITH,

388

LI.-On the Oxidation product of Glycogen with Bromine,

Silver Oxide and Water; by R. H. CHITTENDEN,

LII. On the existence or not of Horns in the Dinocerata;

by RICHARD OWEN,

395

APPENDIX.-LIII.-On some Characters of the genus Co-

ryphodon; by O. C. MARSH,

SCIENTIFIC INTELLIGENCE.

401

243

Chemistry and Physics.-Diplometer, LANDOLF: Specific Heat of Gases, WIEDE-

MANN, 403.-Crooke's Radiometer, STONEY, 404.-The Gram Magneto-electric

machine, TRESCA, 405.-Effect of increase of temperature on the Index of Re-

fraction, MENDENHALL, 406.

Geology and Mineralogy.-Does the actual vegetation of the Globe furnish any

general marks by which it could be recognized in all countries if it became fos-

sil? 407.-Report of the Geological Survey of Ohio, by J. S. NEWBERRY, 409.—

Geological Survey of Alabama, by EUG. A. SMITH, 410.-The Geological Record

for 1874, by WM. WHITAKER, 411.-Report on the Geology of a portion of Colo-

rado examined in 1873, by J. J. STEVENSON: Das Gebirge um Hallstatt, von

MOJSISOVICS, 412.-Rammelsberg; Handbuch der Mineral-Chemie: Einleitung

in die Krystallberechnung, von CARL KLEIN, 413.

Botany and Zoology.-Phænological observations in Giessen, HOFFMAN: Bulletin of

the Bussey Institution, Harvard University, 414.-Nymphæa flava: Note on

some of the Starfishes of the New England Coast, by A. E. VERRILL, 416.—

Hæckel's theory (Allœogenesis) of the genetic connection between the Geryon-

idæ and Æginidæ, by A. AGASSIZ, 420.-Animal Parasites and Messmates, VAN

BENEDEN: The Journal of Anatomy and Physiology, conducted by G. M. HUм-

PHREY. 421.—Bulletin No. 2, U. S. Geological Survey of the Territories, 422.

Astronomy.-Observations of the planet Jupiter: Repertory of works in Pure and

Mixed Mathematics, KŒNIGSBERGER and Zeuner, 422.

Miscellaneous Scientific Intelligence.-The American Cyclopædia, 422.-Annual

Report of the Light-House Board to the Secretary of the Treasury for the year

1875 Meter-Diagram, 423.-Obituary.—A. R. MARVINE, 424.

NUMBER LXVI.

ART. LIV.-Note on the Duplicity of the "1474" line in the

Solar Spectrum; by C. A. YOUNG,

LV. On a Lithia-bearing Biotite; by G. W. HAWES,

LVI-Researches on the Solid Carbon Compounds in Mete-

orites; by J. LAWRENCE SMITH,..

LVII.-Results of Experiments on Contact Resistance; by

LVIII. Physical Observations on Saturn; by L. TROUVELOT, 447

LIX.—Curve of Eccentricity of the Earth's orbit; by R. W.

LX.-On a Bolide of January 31st, that passed over Ken-

tucky; by J. LAWRENCE SMITH,.

LXI.-Notes on the Sensitiveness of Silver Bromide to the

Green Rays as modified by the Presence of other Sub-

stances; by M. CAREY LEA,

LXII.-Chemical Composition of Durangite; by G. J. BRUSH, 464

LXIII.-The Geological Survey of Brazil; by C. F. HARTT,- 466

LXIV. Meteoric Stone of Waconda; by C. U. SHEPARD, Sr., 473

LXV. Paleozoic Subdivisions on the 40th Parallel; by

CLARENCE King,

475

482

LXVI.-A Nebula-photometer; by E. C. PICKERING,

LXVII.-On a new Sub-order of Pterosauria; by O. C. MARSH, 507
LXVIII. Notice of new Odontornithes; by O. C. MARSH,.

SCIENTIFIC INTELLIGENCE.

509

Chemistry and Physics.-Hydrocellulose, GIRARD, 483.-Decomposition of Stearic

Acid by distillation under Pressure, JOHNSTON: Liquid Carbon Dioxide in min-

eral cavities, HARTLEY: Decomposition of Alcohol by Aluminum and its Iodide,

GLADSTONE and TRIBE, 484.-New Method for producing Condensed Hydrocar-

bons, WATSON SMITH: Manganese Boride and on the Function of Manganese in

Iron Metallurgy, TROOST and HAUTEFEUILLE, 485.-Occurrence of Platinum, Pal-

ladium, and Selenium in Silver coins, RÖSSLER: Conversion of Olefines into the

corresponding Alcohols, BOUTLEROW, 486.-Trimethylbenzols of Coal tar Oil

and their Separation from each other, JACOBSEN: Detection of Phloroglucin and

Nitrites, WESELSKY: Succinic acid obtained from Active Tartaric acid, BREMER

and VAN'T HOFF, 487.-Re-conversion of Paroxybenzoic acid into Salicylic acid,

KUPFERBERG: New Hydro-oxy-benzoic Acid, EMMERLING and OPPENHEIM: Vicin,

RITTHAUSEN: Acoustic Attractions, DVORAK,488.-Correlation of Forces, GROVE,

489.-Change of Volume of Electric Conductors, EXNER: Proper Motion of the

Stars, SECCHI, 490.

Geology and Mineralogy.-Paleozoic fossils from the Serpentine formation of

Chaberton 491. - Eozoon Canadense: Exploration of Lake Titicaca, A. AGASSIZ

492.-Huronian South of Lake Superior, ROLAND IRVING: fossil bird from

the Eocene of New Mexico, COPE: Richmond Infusorial Stratum, 493.-Car-

boniferous Articulates: Note on the Uinta and Wahsatch Ranges, C. KING:

Ceraurus pleurexanthemus, of Trenton Falls. C. D. WALCOTT, 494.-Glacial

phenomena in Jefferson Co., New York: Origin of the Porphyry of Marble-

head, Mass., 495.-Hayden's Report for 1874, 496.--Age of Angiospermous

plants referred to the Cretaceous, 497.-Swiss Paleontological Society: Geo-

logical Survey of New Jersey, COOK: Eocene Corals of Italy, 498.--Crystallo-

graphy, of P. GROTH, 499.

Zoology.--Recent Corals from Tilibiche, Peru. A. AGASSIZ, 499.--Caspian Sea, 500.

Astronomy.-Transit of Venus observed in Bengal: new Planets, 501.

Miscellaneous Scientific Intelligence.--Atti della Reale Accademia dei Lincei, 502.--

Statistics of Mines and Mining R. W. RAYMOND, 504.-National Academy of

Sciences: Memoir of Caroline Herschel, 505.-Depth of the Pacific, 506.

INDEX, 513.

THE

AMERICAN

JOURNAL OF SCIENCE AND ARTS.

[THIRD SERIES.]

ART. I.-Contributions to Meteorology, being Results derived from an examination of the United States Weather Maps and from other sources; by ELIAS LOOMIS, Professor of Natural Philosophy in Yale College. Fourth paper. With Plate.

[Read before the National Academy of Sciences, Philadelphia, Nov. 2, 1875.]

Movement of Areas of high barometer.

HAVING determined the average direction and velocity of movement of areas of low barometer within the limits of the United States, I desired to make a similar determination re

specting areas of high barometer. As I have in my possession only one Weather Map for each day, I have frequently found it difficult to follow the course of areas of high barometer from day to day, and have therefore confined my comparison to the monthly charts published by the U. S. chief signal officer. Among these I found three charts which gave the tracks of areas of high barometer for a month each, viz: Aug., 1873, Dec., 1874, and Jan., 1875. The following are the average courses and velocities of the areas of high barometer for these months:

AM. JOUR. SCI.-THIRD SERIES, VOL. XI, No. 61.-JAN., 1876.

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