66 PROCEEDINGS OF THE ACADEMY OF [1893. 



February 7. 

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



Fifty-nine persons present. 



The deaths of the following members were announced : — John 

 Markoe, February 1, 1893 ; F. A. Genth, M. D., February 2, 1893. 



Papers under the following titles were presented for publication : — 



" Notes on some Minerals and Rocks," by Edw. Goldsmith. 



"A Contribution to the Herpetology of British Columbia," by 

 Edw. D. Cope. 



" Pyrophyllite Slate in Northern Pennsylvania," by Abraham 

 Meyer. 



" Notes on the Occurrence of Quartz and other Minerals in the 

 Chemung Measures near the Line of Wyoming and Tioga Counties," 

 by Abraham Meyer. 



February 14. 

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



Forty-two persons present. 



The death of Joseph C. Turnpenny, a member, July, 1892, was 

 announced. 



February 21. 

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



Forty-seven persons present. 



A paper entitled " Involution Form of the Tubercle Bacillus and 

 the Effect of Subcutaneous Injection of Organic Substances on 

 Inflammations," by S. G. Dixon, M. D., was presented for publication. 



February 28. 

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



Twenty-eight persons present. . 



The death on the 26th inst of Mr. Jacob Binder, Curator of the 

 William S. Vaux Collections, was announced, whereupon the follow- 

 ing minute was adopted : — 



