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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. XXXV.-[WHOLE NUMBER, CXXXV.]
Nos. 205-210.
JANUARY TO JUNE, 1888.
WITH VII PLATES.
NEW HAVEN CONN.: J. D. & E. S. DANA. 1888.
Tuttle, Morehouse & Taylor, Printers,
371 State st., New Haven, Conn.
CONTENTS OF VOLUME XXXV.
Number 205.
ART. I.-Speed of Propagation of the Charleston Earth- quake; by S. NEWCOMB and C. E. DUTTON
II. History of the changes in the Mt. Loa Craters; by J. D.
DANA. Part I. Kilauea. (Plate I). ..
III.-Analysis and Composition of Tourmaline; by R. B.
RIGGS
IV.-Different types of the Devonian System in North
America; by H. S. WILLIAMS -
V.-Law of Double Refraction in Iceland Spar; by C. S.
HASTINGS
VI.-Notice of a New Genus of Sauropoda and other new
Dinosaurs from the Potomac Formation; by O. C.
MARSH
VII.-Notice of a New Fossil Sirenian, from California; by
O. C. MARSH
SCIENTIFIC INTELLIGENCE.
Chemistry and Physics. -Decomposition of the Hydrides of the Halogens by Light
in presence of Oxygen, RICHARDSON, 73.-Influence of Liquid water in promot-
ing the decomposition of Hydrogen chloride, ARMSTRONG, 74.-Concentration
of Solutions by Gravity, GOUY and CHAPERON, 75.-Percentage of Oxgen in the
Air, HEMPEL: Constitution of Selenous Acid, MICHAELIS and LANDMANN:
Indexing of Chemical Literature, 76.-Mechanical Equivalent of Heat, DIET-
ERICI: Radiation in absolute measure, BOTTOMLEY: Maximum of Light Inten-
sity in the Solar Spectrum, MENGARINI, 77.- Relation of the wave-length of
light to its intensity, EBERT: Brief notice of a paper by Mr. Hallock, SPRING,
78.-Lessons in Elementary Practical Physics, STEWART and GEE, 79.
Geology and Natural History.-Communication by Raphael Pumpelly, 79.--Geo-
logical history of the Swiss Alps, 80.--Gradual variation in intensity of meta-
morphism, 82.-Mission Scientifique du Cap Horn, 83.-The American Geolo-
gist: Geology and Mining Industry of Leadville, Colorado, S. F. EMMONS:
Fifteenth Annual Report on the Geological and Natural History Survey of
Minnesota, N. H. WINCHELL, 84.---New York Paleontology: Annual Report of
the Geological Survey of Pennsylvania: Fossil Mammals from the White River
formation contained in the Museum of Comparative Zoology, W. B. SCOTT and
H. F. OSBORN, 85.-Diatomaceous Earth in Nebraska: The Upper Beaches and
Deltas of the Glacial Lake Agassiz, W. UPHAM; Supposed diamonds in a
Meteorite: Cryptolite: Grundriss der Edelsteinkunde, P. GROTH: Rivista di
Mineralogia e Cristallografia Italiana, R. PANEBIANCO: Catalogue of all recorded
Meteorites, O. W. HUNTINGTON, 86.-A chapter in the History of Meteorites,
W. FLIGHT: Das pflanzenphysiologische Praktikum, DETMER, 87.
Miscellaneous Scientific Intelligence.-Proceedings of the Colorado Scientific Society:
Relative Proportions of the Steam Engine, W. D. MARKS: Modern American
Methods of Copper Smelting, E. D. PETERS, 88.
Obituary.-FERDINAND V. HAYDEN, 88.