PROFESSORS ASA GRAY AND WOLCOTT GIBBS,
OF CAMBRIDGE,

AND

PROFESSORS H. A. NEWTON, S. W. JOHNSON,
GEO. J. BRUSH AND A. E. VERRILL,
OF NEW HAVEN.

THIRD SERIES.

VOL. III.-[WHOLE NUMBER, CIII.]

Nos. 13--18.

JANUARY TO JUNE, 1872.

WITH TWO MAPS AND THIRTEEN PLATES.

NEW HAVEN: EDITORS.

1872.

PRINTED BY TUTTLE, MOREHOUSE & TAYLOR, 221 STATE ST.

CONTENTS OF VOLUME III.

NUMBER XIII.

ART. I.—On Alpine Geology; by T. STERRY HUNT,

II.-Supplementary Note on the Genus Lichenocrinus; by

F. B. MEEK,

III.-A Cretaceous Basin in the Sauk Valley, Minnesota; by

J. H. KLOOS,

Page

1

15

17

26

IV.-On a New Species of Fossil from the Lower Silurian; by

U. P. JAMES,

V.-Glacial Action on Mount Katahdin; by JOHN DELASKI, 27

VI.-Table for the computation of Relative Altitudes; by

CLEVELAND ABBE,

VII. On the relative proportion of Iron and Sulphur in the

"Pyrite" contained in several specimens of Iowa Coal;

by RUSH EMERY,-

31

34

36

VIII. On the Occurrence in nature of Amorphous Mercuric

Sulphide; by GIDEON E. MOORE,

IX.-Norian Rocks in New Hampshire; by C. H. HITCHCOCK, 43

X.-Contributions from the Laboratory of the Sheffield Scientific

School. No. XXIII.-On the Composition of the Labra-

dorite rocks of Waterville, N. H.; by E. S. DAna, - -

XI.-Recent German Arctic Explorations,

SCIENTIFIC INTELLIGENCE.

48

888

50

Chemistry and Physics.—On a new method of nickel-plating, 54.-On the direct

oxidation of carbon to mellitic acid, 55.-Gmelin-Kraut, Handbuch der Chemie:

Neues Handwörterbuch der Chemie, 56.

Geology and Natural History.-Discovery of a remarkable Fossil Bird, O. C. MARSH,

56.-Occurrence of Diamonds in Xanthophyllite, P. VON JEREMEJEW: Triassic

Sandstone of the Palisade Range: Geological Survey of India, 57.-Friderici

Welwitschii Sertum Angolense: Hooker's Icones Plantarum, 58.-Structure of

the Pistil in Primulaceæ, 59.-Tieghem, Comparative Anatomy of the Cycadacæ,

Coniferæ, and Gnetacea, 60.-Tieghem, Anatomy of the flowers and fruit

of Mistletoe (Viscum album), 61.-Clarence King's Geological Exploration of the

40th Parallel; Botany, 62.-Prof. Oliver's Flora of Tropical Africa: Heer, Flora

Fossilis Arctica, Die Fossile Flora der Polarländer, 64.-On Kansas Vertebrate

Fossils: Illustrated Catalogue of the Museum of Comparative Zoology. No. IV.

Deep-Sea Corals, 65.

Astronomy.-On the mean motions of the four outer Planets, B. PEIRCE, 67.-The

Eclipse: Star Maps, E. S. MARTIN, 68.-The Wisconsin Meteorite, I. A. LAPHAM:

New Comet: Magnetometer Indications on September 7th, C. A. YOUNG, 69.-

The first Appendix to the Washington Observations for 1869, 70.-Annals of

the Dudley Observatory, Vol. II.: Astronomische Tafeln und Formeln: The

American Ephemeris and Nautical Almanac for 1874, 71.

Miscellaneous Scientific Intelligence.-Masses of Meteoric Iron, 71.-On the Phos-

phorescence of the Eggs of the common Glow-worm, M. JOUSSET: Coast Survey

Deep-Sea Dredging Expedition, 73.-Jay's Cabinet of Shells, 74.-Obituary.—

Charles Babbage. 74.-Rev. J. A. Swan, 77.

Miscellaneous Bibliography.-A Report of Surgical Cases treated in the Army of

the United States from 1865 to 1871, 77.-Appleton's American Annual Cyclo-

pædia and Register of Important Events of the Year 1870: Boston Journal of

Chemistry, 78.-An Elementary Treatise on Heat: A Treatise upon Terrestrial

Magnetism: Sur les Tremblements de terre et les éruptions volcaniques dans