DONS. — 23 JUïN-3 NOVEMBRE 1884. 13 
— Indianopolis. Indiana Department of Geology and Natural his- 
tory, lath Report, 1883. 
— Newhaven. American Journal of Science, 3® série, t. XXVIII, 
n°« 163-166; juillet-octobre 1884. 
Clarke et Chatard. — Mineralogical notes from the Laboratory of the U. S. 
Geol. Survey, 20. 
Wright. — The Niagara River and the glacial period, 32. 
Ford. — Discovery of primordial fossils in Columbia County, 35. 
Wadsworth. — Notes on the rocks and ore-deposits in the vicinity of Notre- 
Dame Bay, Newfounland, 94. 
Peckham. — Origin of bitumens, 105. 
Scudder. — Triassic Insects from the Rocky Mountains. 
Ford. — Age of the glazed and contorted slaty rocks in the vicinity of Schodack 
Landing, N. Y., 206. 
Campbell. — Geology of the Elue Ridge near Balcony Falls, Virginia, 221. 
Williams. — Paramorphosis of pyroxene to hornblende in Rocks, 259. 
Dana. — • Southward ending of a great synclinal in the taconic Range, 268. 
Lewis. — Supposed glaciation in Pennsylvania south of the terminal Moraine, 
276. 
— Newport. The Natural History Society. Proceedings of —, 
1883-84. 
Dale. — The Geology of the Tract known as Paradise near Newport, 3. — 
Remarks on some of the évidences of geological disturbance in the vicinity of 
Newport, 5. 
Clark. — . Studies in the Rhode-Island Coal Measures, 9 
— New-York. Academy of Sciences. Annals of the —, vol. III, 
n«s 1-2, septembre 1883. 
Transactions of the. — Table, t. II, 1882-83. 
— Cooper Union for the Advancement of Sience and Art. The 
25*^ Annual Report of the —, mai 1884. 
— Philadelphie. American philosophical Society. Proceedings of 
the —, t. XXI, n« n°« 114-115; avril 1883-mai 1884. 
Claypole. — The Perry county faults, 226. — On the équivalent of the N. 
York Portage in Perry County, Pennsylvania, 230. Note on the Genus Rensselœria 
in the Hamilton Group in Perry County, 235. — On a large Crustacean from the 
Catskill Group of Pennsylvania, 236. — On the Clinton and other shales, etc., 
composing the 5th Group in the ist Survey of Pennsylvania, 492. 
— Washington. Smithsonian Institution. Annual report of the 
Board of régents of the —, 1882. 
Grande-Bretagne. Londres. Geological Magazine, n°^ VII-XÎ, 
juillet-novembre 1884. 
Dawson. — On the Geology of the Nile Valley, 289. 
Hudleston. — On the Yorkshire Colites, 263. 
Claypole. — On a new carboniferous Trilobite, 303. 
