dons. — 10 juin-3 nov. 1873. 15 
Breidenbaugh. — On the Minerais found at the Tilly Foster Iron Mines, N. Y., 207. 
Marsh. — New Observations on the Dinocerata, 300. 
Sterry Hunt. — On the Copper deposits of the Blue Ridge, 305. 
Philadelphie. American philosophical Society held at —, for pro- 
moting useful knowledge. Proceedings of the —, t. XII, n° 89 ; 1872. 
Cope. — Descriptions of some new Vertebrata from the Bridger Group of the 
Eocene of Wyoming Territory, 460, 466, 469 ; — On a new genus of Pleurodira 
from the Eocene of Wyoming, 472 ; — On the tertiary Goal and Fossils of Osino, 
Nevada, 478 ; — On the existence of Dinosauria in the Transition beds of Wyoming, 
481 ; —Notices ofnew Vertebrata from the Upper Waters of Bitter Creek, Wyoming 
Territory, 484, 487 ; — On the dentition of Metalophodon, 542 ; — On a new Verte- 
brate genus from the Northern part of the tertiary Basin of Green River, 554 ; — Notice 
of Proboscidians from the Eocene of Southern Wyoming, 580. 
Lesley. — The geological structure of Tazewell, Russell and Wise Counties in 
Virginia, 489 ; — A record of fourteen Oil Wells at Brady’s Bend, Armstrong Co., 
Pennsylvania, 562. 
Marsh. — On the Discovery of new Rocky Mountain Fossils, 578. 
Salem. Peabody Academy of Science. Memoirs of the —, t. ï, n° s 2 
et 3 ; 1871-1872. 
-- Fourth animal Report of the trustées of the —, for the year 
1871'. 
— — The American Naturalisé t. Y, n os 2 à 12 ; 1871. 
Hoy. — Dr. Koch’s Missourium, 147. 
Lesquereux. — Mode of préservation of vegetable Remains in our American Coal- 
Measures, 340. 
Sterry - Hunt. — The Geognosy of Appalachians and the Origin of cristalline 
rocks, 451 ; — On the Oil Wells of Terre-Haute, Indiana, 576. 
Hilgard. — On the geological History of the Gulf of Mexico, 514 ; — Remarks on 
the Characteristics of the primary groups of the class of Mammals, 526. 
Burbank. — On Eozoon Canadense in the crystalline Limestones of Massachusetts, 
535. 
Perry. — Eozoon limestone of Eastern Massachusetts, 539. 
Swallow. — Remarks on the Geological map and section of the Rocks of Mis¬ 
souri, 541. 
Whittlesey. — The Great Mound on the Etawah river, near Cartersville, Georgia, 
542. 
Cox. — Western Coal-Measures and Indiana Coal, 547. 
Gope. — Tortoises ofthe Cretaceous of New-Jersey, 562. 
Perkins.— Notes on the Geodes of Illinois, 698. 
— Id., t. Yï, nos i à 11; 1872. 
Foster. — The Mountains of Colorado, 65. 
Dana. — What is true Taconic, 197. 
Shaler. — On the Geology of the island of Aquidneck and the neighboring parts of 
the Shores of Narraganset Bay, 518, 611. 
Scudder.— Fossil Insects from the Rocky Mountains, 665. 
Cope. — The geological âge ofthe Coal of Wyoming, 669. 
