Paris. Comptes Rendus hebdomadaires des Seances de l'Academie des Sciences. Deuxieme Semestre 1869. Tome lxix. Nos. 1-10.
A. Damour. — Jakobsite, nouvelle espece mine'rale, 168.
C. Gay. — Sur le treniblenient de terre arrive en aoiit 1868 dan3 l'Amerique meridionale, 260.
— Hebert. — Recherches sur l'age des gres a combustibles d'Hoganas et des gres a vegetaux de Hor, 296.
— Poiree. — Sur la difference de niyeau supposed autrefois entre la Mer Rouge et la Mediterranee, 321.
Philadelphia. Proceedings of the American Philosophical Society. Vol. x. Nos. 79 & 80. 1868.
E. Miller. — Explanatory Memoir on a series of Photographic Repre- sentations of remarkable Rocks on Smoky River, Kansas, 382.
II. D. Vail. — On an Eruption of Mount Vesuvius, 421, 425.
S. F. Peckham.— On the Origin of Bitumens, 445.
F. V. Hayden. — On the Geology of Wyoming, 463.
J. F. Latham. — On subsidence of the Coast, 541.
. . Vol. xi. No. 81. 1869.
E. D. Cope. — On Mylodon anncctens, 15.
. On the Cretaceous Tortoises, 16.
F. V. Hayden. — On the Geology of Wyoming, 25.
A. Winchell. — On the Marshall Group, 57.
P. Sheafer. — Boring Records in the Anthracite Region, 107.
E. D. Cope. — On a New Mosasauroid Reptile, 117.
. Transactions of the American Philosophical Society. New Series. Vol. xiii. Part 3. 1869.
Thomas Evans Blackwell. — On the Hydrology of the Basin of the River St. Lawrence, 249 (2 plates).
J. P. Lesley. — Notes on a Map intended to illustrate five types of Earth-surface in the United States between Cincinnati and the Atlantic, 307 (with a map).
Leo Lesquereux. — On Fucoides in the Coal-formations, 313 (1 plate).
James Hall. — Notes upon the Geology of some portions of Minne- sota, from St. Paul to the western part of the State, 329.
Horatio C. Wood, Jun. — A Contribution to the knowledge of the Flora of the Coal Period in the United States, 341 (2 plates).
Leo Lesquereux. — On Species of Forest Plants from the Tertiary of the State of Mississippi, 411 (10 plates).
Photographic Society. Journal. Nos. 207-209.
Portland Society of Natural History. Proceedings. Vol. i. Parts 1 & 2. 1862 & 1869.
C. H. Hitchcock. — Notes on the Geology of Maine, 72. '
N. T. True. — Grooved Boulders in Bethel, 92.
C. II. Hitchcock. — A new Species of L'arpolithcs, 95.
J. W. Dawson. — Fossil Plants from Perry, Maine, 99 (1 plate).
E. Billings. — Description of some new Species of Fossils, with re- marks on others already known, from the Silurian and Devonian Rocks of Maine, 104 (1 plate).
