DONS. 
6 JANV.-3 MARS 1879. 
61 
Edw. T. Nelson. — On the Origin of Stylolites, 68. 
L. E. Hicks, — Bowlders in Coal, 68. 
T. S. Hunt. — International Geological Congress, 75. 
0. C. Marsh. — A new Order of Extinct Reptiles fSauranodonta) from the Ju- 
rassic Formation of the Rocky Mountains, 85 ; — Principal Characters of American 
Jurassic Dinosaurs, 86. 
R. Pumpelly. — The relation of Secular Rock-disintegration to Lœss, Glacial 
Drift and Rock Basins, 133. 
G. W. Hawes. — On a Group of dissimilar Eruptive Rocks in Campton, New 
Hampshire, 147. 
N. H. Winchell. — The Lœss of Minnesota. 168. 
CI. King. — Systematic Geology of the 40th Parallel, 170. 
Philadelphie. American Philosophical Society held at —. Procee- 
dings of the —, t. XVII, n° 101 ; 1878. 
L. Lesquereux. — On the Cordaites and their related generic divisions, in the 
Carboniferous formation of the U. S., 315. 
W. Ginley. —Notice of the Discovery of the position of the Crural Processes in 
the Genus Atrypa, 337. 
A. Sherwood. — Section of Devonian rocks made in the Catskill Mountain at Pa- 
lenville, Kauterskill Cieek, N. Y., 346. 
A. et Cl. Sherwood. — Section along Schoharie Creek in.Schoharie County, N. Y-, 
between Gilboa and Middleburg, from the Catskill down to the Upper Helderberg, 
347. 
Fr. Platt et R. II. Sanders. — Section of the Paîæozoic Rocks in Blair County, 
349. 
E. D. Cope. — Descriptions of Extinct Batracbia and Reptdia from the Permian 
formation of Texas, 505. 
H. M. Chance. —Hyner’s Station Oil Well Section, included in a Detailed Section 
of the Rocks between the Lower Productive Coal Measures and the Lark States of 
the Devonian in the Vicinity ofRenovo, Clinton County, Penns., 670. 
Grande-Bretagne. Londres. British Association for the 
Advancement of Science. Report of the XLVil 8 Meeting of the —, held 
at Plymouth in August 1877 ; 1878. 
W. Pengellv. — 13th Report of the Committee for Exploring Kent’s Cavern, Rep., 
1; —Address, Trans., 54. 
De Rance. — 3d Report of the Committee for investigating the Circulation of the 
Underground Waters in the New Red Sandstone and Permian Formations of England, 
and the quantity and character of the Water supplied to various towns and districts 
from these formations, Rep., 56; — Note on the Corrélation of certain Post-Glacial 
Deposits in West Lancashire, Trans., 68. 
T. M. Reade. — On the South-Lancashire Wells, Rep., 66. 
H. W. Crosskey. — 5th Report of the Committee appointed for the purpose of 
recording the position, height above the sea, lithological characters, size, and origin 
of the Erratic Blocks of England, Wales, and Ireland, reporting other matters of 
interest connected with the same, and taking measures for their préservation, Rep., 
81. 
Herschel et Lebour. — 4îh Report on Experiments to détermine the Thermal Con- 
ductivities of certain Rocks, showing especially the Geological Aspects of the Inves¬ 
tigation, Rep., 90. 
