1893.] NATURAL SCIENCES OF PHILADELPHIA. 401 



November 7. 

 Rev. Henry C. McCook, D. I)., Vice-President, in the chair. 



Twenty-eight persons present. 



Papers under the following titles were presented for publication: — 



"Description of two new Pocket Mice from the United States, 



with remarks on the identity of allied forms," by Samuel N. Rhoads. 



"On some Leech-like Parasites of American Crayfishes," by J. 

 Percy Moore. 



"On extinct Bovidse, Canidse and Felidse from the Plistocene of 

 the Plains," by E. D. Cope. 



November 14. 

 The President, General Isaac J. Wistar, in the chair. 

 Thirty-seven persons present. 



The death- of Francis T. Steel, a member, Sept. 20, 1893, was 

 annuounced. 



November 21. 

 The President, General Isaac J. Wistar, in the chair. 



Eighty- seven persons present. 



A paper entitled "Geographic Variations in Bassariscus astutus, 

 with description of a new suhspecies," by Samuel N. Rhoads, was 

 presented for publication. 



Fossil FisJ>>>* from British Columbia. — Prof. Edw. D. Cope 

 states that Dr. G. M. Dawson, of the Geological Survey of the 

 Dominion of Canada, had submitted to him for determination some 

 specimens of fossil fishes from British Columbia. Some of them are 

 from a hard shale from near Tranquilla, and others are from a shale 

 of softer character from the north fork of the Smilkameen River, 

 which is a tributary of the Columbia. The specimens from the 

 former locality are too imperfect for determination, while one from 

 the latter locality may be named. It is a species of Amijzon, which 



