1892.] natural sciences of philadelphia. 155 



March 29. 

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



Forty-four persons present. 



A paper entitled " On the Anatomy of Sagda, Cysticopsis, 

 jEgista and Dentellaria," by Henry A. Pilsbry, was presented for 

 publication. 



The following were elected members : — 



General John Markoe, H. G. Bryant, Frank Woodbury, M. D., 

 Daniel Allen Knight, Jr., Thomas Wistar, M. D., Miss Lucy 

 Langdon Williams and Miss Jean Fraley Hallowell. 



Prof. Carl Glaus of Vienna and Frederick Stearns of Detroit, 

 Mich., were elected correspondents. 



The following were ordered to be printed : — 



