68 The American Geologist. January. i899 
magazine with the current issue. A successor to Dr. Bige- 
low has been found, but his name is not announced. 
Geological Society of America. The following is the 
preliminar}' list of papers to be presented at the eleventh 
winter meeting, Columbia University, New York city, Dec. 
28 to 30, 1898. 
The Archean-Potsdam contact in the vicinity of Manitou, Colorado. 
W. O. Crosby. 
Pre-Cambrian fossiliferous formations. C. D. Walcott. 
Outline of the geology of Hudson's bay and strait. Robert Bell. 
The faunas of the Upper Ordovican in the lake Champlain valley. 
T. G. White. 
Stratigraphy of the Pottsville series in Kentucky. M. R. Campbell. 
American homotaxial equivalents of the original Permian. C. R. 
Keyes. 
The Newark system in New York and New Jersey. H. B. Kiimmel. 
The Conshohocken plastic clays. T. C. Hopkins. 
Discovery of fossil tish in the Jurassic of the Black hills. N. H. 
Darton. 
Mesozoic stratigraphy in southeastern Black hills. N. H. Darton. 
Relations of Tertiarv formations in the western Nebraska region. 
N. H. Darton. 
Shorelines of Tertiary lakes on the slopes of the Black hills. N. H. 
Darton. 
The Iroquois beach at Toronto and its fossils. A. P. Coleman. 
The granites on the north shore of Long Island sound with some ob- 
servations on the granites of the Atlantic coast in general. J. F. Kemp. 
Metamorphosed basic dikes in the Manhattan schists, New York city. 
J. F. Kemp. 
Augite-syenite near Loon lake, N. Y. H. P. Cushing. 
On the phenocrysts of intrusive igneous rocks. L. V. Pirsson. 
Geologv of the crystalline rocks of Manhattan island and vicinitv. 
F. J. H. Merrill. ' 
The gold-bearing veins of Bag bay, western Ontario. Peter McKellar. 
Origin of the grahamite in Ritchie Co., W. Va. I. C. White. 
Surface features of northern Kentucky. M. R. Campbell. 
Geology of the Yosemite national park. H. W. Turner. 
Ripple-marks and cross-bedding. G. K. Gilbert. 
A remarkable landslip on the Riviere Blanche, Portneuf county, Que- 
bec. G. M. Dawson. 
Origin of the Highland gorge of the Hudson river. F. J. H. Merrill. 
The wind deposits of eastern Minnesota. C. W. Hall and F. W. Sar- 
deson. 
Ice sculpture in western New York. G. K. Gilbert. 
The lowan drift. Samuel Calvin. 
General geology of the Cascade mountains in northern Washington. 
L C. Russell. 
The supplementar}^ list of papers, issued Dec. 15, con- 
tains the following titles: 
Geology and archeology of the California gold belt. W J McGee. 
Geolog}' and physiography of the West Indies. R. T. Hill. 
Volcanoes of southeastern Russia. H. F. Reid. 
Structure of the lola gas field, Allen Co., Kansas. Edward Orton. 
Gold mining in the Klondike district. J. B. Tyrrell. 
Glacial phenomena in the Yukon. J. B. Tyrrell. 
The Nashua Valley glacial lake. W. O. Crosby. 
An unrecognized process in glacial erosion. W. D. Johnson. 
