glacier. (It is but a few miles north to where Hudson River rock dips 

 under upper silurian.) Evidences that they are masses of Drift are found 

 in the irregular way in which the rocks lie at all angles, and in the fact 

 that where the lower rock is exposed in the cut the under side is glaciated 

 as if by moving over other rocks. 



Relation of Kings county traps to those <>i Cumberland county, N. S. 

 By V. F. Marsters. 



An account of vegetable and mineral substances that fell in a snow 

 storm in LaPorte county, Jan. 8-9, '92. By A. X. Somers. 



Some points in the geology of Mt. Orizaba. By J. T. Scovell, 



British Columbia glaciers. By C. H. Eigenmann. 

 An account was given of the ascent of "The Glacier" in the Sel kirks 

 in British Columbia. A number of photographs were shown of the foot 

 of the glacier. 



Two-ocean pass. By Barton W. Evermann. 

 [ Abstract.] 

 It was probably in Pliocene times that the great lava-flow occurred in 

 the region now known as the Yellowstone National Park, which covered 

 hundreds of square miles of a large mountain valley with a vast sheet of 

 rhyolite hundreds, perhaps in places, thousands of feet thick. It is certain 

 that such streams and lakes as may have exis'ed there were wiped out of 

 existence, and all terrestrial and aquatic life destroyed. It must have 

 been many long years before this lava became sufficiently cooled to permit 

 the formation of new streams ; but a time finally came when the rains, 



