THE

AMERICAN

JOURNAL OF SCIENCE.

EDITORS

JAMES D. AND EDWARD S. DANA.

ASSOCIATE EDITORS

PROFESSORS JOSIAH P. COOKE, GEORGE L. GOODALE AND JOHN TROWBRIDGE, OF CAMBRIDGE,

PROFESSORS H. A. NEWTON AND A. E. VERRILL, OF NEW HAVEN,

PROFESSOR GEORGE F. BARKER, OF PHILADELPHIA.

THIRD SERIES.

VOL. XXXVI.-[WHOLE NUMBER, CXXXVI.]

Nos. 211-216.

JULY TO DECEMBER, 1888.

WITH XI PLATES.

NEW HAVEN, CONN.: J. D. & E. S. DANA.

1888.

ERRATUM.

Page 73, line 18 from bottom, for under charge of, read under a contract with.

PRESS OF TUTTLE, MOREHOUSE & TAYLOR, NEW HAVEN,

CONTENTS OF VOLUME XXXVI.

Number 211.

ART. I.-Relation which the former Orbits of those Meteor-

ites that are in our collections and that were seen to fall,

had to the Earth's Orbit; by H. A. NEWTON

III.-Summit Crater of Mt. Loa in 1880 and 1885; by W.

T. BRIGHAM and J. M. ALEXANDER

IV. Explanation of the action of a Magnet on Chemical Ac-

tion; by H. A. ROWLAND and L. BELL

V.-Wave-like Effects produced by the Detonation of Gun-

Cotton; by C. E. MUNROE. With Plate IV

VI.-Mode of Reading Mirror Galvanometers, etc.; by R.

W. WILLSON

IV....

Page

1

33

39

48

50

VII. Bertrandite from Mt. Antero, Colorado; by S. L.

PENFIELD

52

56

57

59

VIII. Some Localities of Post-Tertiary and Tertiary Fossils

in Massachusetts; by W. W. DODGE.

IX. A Cordierite Gneiss from Connecticut; by E. O.

HOVEY

X.--The Flow of Solids: a Note; by W. HALLOCK.

SCIENTIFIC INTELLIGENCE.

iment to illustrate Valence, LEPSIUS: Action of Hydrogen sulphide on Arsenic

acid, BRANNER and TOMICEK, 62.-Elements and Meta-elements, CROOKES, 63.—

Measurement of High Potential, A. VOLLER, 66.-Fluorescence, B. WALTER:

Grünwald's hypothesis in spectrum analysis: Penetration of Daylight in

the water of Lake Geneva and of the Mediterranean, FOL and SARASIN, 67.—

Treatise on Electricity and Magnetism, E. MASCART and J. JOUbert, 68.

Fauna and Flora of the Trias of New Jersey and the Connecticut Valley,

NEWBERRY, 70.-Archæan areas of Northern New Jersey and Southeastern

New York, N. L. BRITTON: Annual Report of the State Geologist of New

Jersey for the year 1887: Archæan Plant: Organization of the Fossil Plants of

the Coal Measures, W. C. WILLIAMSON, 71. — Einleitung in die Paläophytologie

vom botanischen Standpunkt aus, SOLMS-LAUBACH: Das Aulitz der Erde von

EDUARD SUESS, 72.-Chert, G. J. HINDE: Dumortiérite from a new locality,

M. LEVY and LACROIX: Zircon from North Carolina: Seventh Annual Report

of the State Mineralogist of California for the year ending Oct. 1, 1887, W.

IRELAN: Contributions to the Mineralogy of the Pacific Coast, W. LINDGREN,

73.—Materialien zur Mineralogie Russlands, von KOKSCHAROW: Der Meteorit

von Nowo-Urei, von M. JEROFEIEFF and P. LATSCHINOFF, 74.

Botany and Zoology-Recent advance in Vegetable Histology, A. DUMONT, 75, A.

LEBLOIS, 76.-Botanical Works of the late George Engelmann, 76.-Excursions

Zoologiques dans les Isles de Fayal et de San Miguel, J. DE Guerne, 77.

Miscellaneous Scientific Intelligence-Meeting of the American Association for the

Advancement of Science, for 1888: Annual Report of the Board of Regents of

the Smithsonian Institution: Lick Observatory, University of California, 78.-

Matter of interest to Societies, Libraries and Geologists: International Geo-

logical Congress: Hayden Memorial Geological Fund: Medals of the Geological

Society of London, 79.

Number 212.

Page

ART. XI.-History of Changes in the Mt. Loa Craters; by

J. D. DANA. Part II, on Mokuaweoweo-

XII.-The Fayette County, Texas, Meteorite; by J. E. WHIT-

FIELD and G. P. MERRILL

XIII.-Evidence of the Fossil Plants as to the Age of the

Potomac Formation; by LESTER F. WARD

XIV.-Experiments on the Effect of Magnetic Force on the

Equipotential Lines of an Electric Current; by E. H.

HALL..

XV.—Analyses of the Waters of some American Alkali

Lakes; by THOMAS M. CHATARD -

81

113

119

131

146

SCIENTIFIC INTELLIGENCE.

Chemistry and Physics.-On the Molecular weight of Nitrogen peroxide, RAMSAY,

150.-Index of refraction of metals, A. KUNDT, 151.-Resistance of square bars

to Torsion, T. I. DEWAR: Latent heat of Evaporation of Water, Dr. DIETERICI:

Electrolysis by alternating currents of Electricity, MANEUVRIER and J. CHAP-

PUIS, 152.—Electro-chemical Radiophone, CHAPERON and MERCADIER, 153.

Geology and Mineralogy.—On the Black Hills of Dakota, W. O. CROSBY: Annual

Report of the Geologieal Survey of Pennslyvania for 1886, 153.-Geological

and Scientific Bulletin: The Genealogical Tree, J. W. JUDD: Estudo sobre os

Bilobites e outros Fosseis das Quartsites da Base do systema Silurico de Portu-

gal, J. F. N. DELGADO: British Petrography with special reference to the Igne-

ous Rocks, J. J. HARRIS TEALL. 154.-Brief notices of some recently described

minerals, 156.-Mineralogical Notes, (1) Vesuvianite from Newbury, Mass., W.

O. CROSBY and JAMES T. GREELEY; (2) Gahnite from Rowe, Mass., W. O.

CROSBY and CHARLES L. BROWN: Brazilian Meteorites: Note on the Locality

of the Santa Catharina Meteorite, 157.-The Bendego Meteorite, 158.

Botany.-Notices of recent contributions to Vegetable Physiology: (1) A. H. de

Vries's studies of Glycerin in its relations to certain tissues, 158; (2) Assimila-

tion by colored and variegated leaves, ENGELMANN, 159.—(3) Hough's Ameri-

can Woods, Part 1, ROMEYN B. HOUGH, 160.

Obituary. —AMOS H. WORTHEN, 160.

Number 213.

Page

ART. XVI.-Cambrian Fossils from Mount Stephens, North-

west Territory of Canada; by CHARLES D. WALCOTT. 161

XVII.-History of Changes in the Mt. Loa Craters; by

J. D. DANA. Relations of Kilauea to Mt. Loa and

Contrast between Volcanoes of the Mt. Loa and Vesu-

vius types. --

167

XVIII. On the formation of the deposits of Oxides of

Manganese; by F. P. DUNNINGTON

175

XIX.-Maxwell's Theory of the Viscosity of Solids and

Certain Features of its Physical Verification; by CARL

BARUS

XX. On the Origin of Primary Quartz in Basalt; by Jo-

SEPH P. IDDINGS

XXI.-Mineralogical Notes; by GEO. F. KUNZ.............

178

208

222

SCIENTIFIC INTELLIGENCE.

Miscellaneous Intelligence.-Explorations of the Gulf Stream, Lieut. J. E. PILLS-

BURY, 225.

Obituary.-HENRY CARVILL LEWIS, JAMES STEVENSON, ALBERT D. HAGER, 226.