DONS. — O NOV. 1877-7 JANV. 1878. 27 
États-Unis. Boston. Academy of Arts and Sciences. Proceedings of 
the American —, 2 e sér., t. IY; 1876-77. 
— Society of Natural History. Proceedings of the-, t. XVIII ; 
1875-76. 
W. Rogers. — Geological Notes : I. On the Newport Conglomerate ; II. On the 
Gravel and Cobbie-stone Deposits of Virginia and the Middle States, 97. 
Sterry Hunt. — The Decayed Gneiss of Hoosac Mountain, 106; — Pr. J. D. Dana 
on the Alteration of Rocks, 108. 
S. H. Scudder. — On fossil Insects from Cape Rreton, 113; — Post-Pliocene 
Fossils from Sankoty Head, Nantucket, 182. 
N. S. Shaler. — Propositions concerning the Motion of Continental Glaciers, 126; 
— Notes on the Cause and Geological Value of Variation in Rainfall, 176. 
W. Denton. — On an Asphalt Bed nearLos Angeles, California, 185. 
C. H. Hitchcock. — Remarks on the Cambrian and Cambro-Silurian Rocks of 
Western Vermont, 191. 
Ch. Stodder. — A Contribution to Microgeoîogy, 206. 
Th. Bouvé. — On the Origin of Porphyry, 217. 
A. Hyatt. — Remarks on the Porphyries of Marblehead, 220; — Genetic Relations 
of Stephanoceras, 360. 
L. S. Burbank. — On the Conglomerate of Harvard, Mass., 224. 
W. H. Niles. — The Geological Agency of Latéral Pressure exhibited by certain 
Movements of Rocks, 272. 
New-Haven. American Journal of Science and Arts (The), 3° sér., 
t. XIV, n os 83 et 84; 1877. 
O. C. Marsh. — Introduction and Succession of Vertebrate Life in America, 337; 
— A new Order of Extinct Reptilia (Stegosauria) from the Jurassic of the Rocky 
Mountains, 513; — Notice of a New Dinosaurian Reptiles from the Jurassic forma¬ 
tion, 514. 
J. D. Dana. — Note on the Helderberg Formation of Bernardston, Mass., and 
Vernon, Vermont, 379. 
W. Pengelly. — History of Cavern Exploration in Devonshire, England, 387. 
J. W. Mallet. —On Sipylite, a new Niobate, from Àmshert County, Virginia, 397. 
Warren Upham. — The Northern Part of the Connecticut Valley in the Champlain 
and Terrace Periods, 459. 
Washington. Geological Survey of the Territories. Annual Report of 
the U. S. —. Supplément to the Yth — ; 1872. 
L. Lesquereux. — An énumération with descriptions of some Tertiary Fossil 
Plants, from specimens procured in the explorations of Dr. F. V. Havden, in 1870. 
— Geological and Geographical Survey of the Territories. Bulletin 
of the ü. S. —, t. III, n° 4; 1877. 
S. H. Scudder. — The first discovered traces of Fossil Insects in the American 
Tertiaries, 741; —Description of two species of Carabidæ found in the Interglacia 
Deposits of Scarboro’Heights, near Toronto, Canada, 763. 
E. D. Cope. — On a Carnivorous Dinosaurian from the Dakota.Beds of Colorado. 
805 ; — On the genus Erisichthe-, 821. 
Grande-Bretagne. Londres. Geological Magazine (The), 2° sér., 
2 e déc., t. IV, n» 12; 1877. 
