1881.] natural sciences of philadelphia. ill 



May 3. 



The President, Dr. Ruschenberger, in the chair. 

 Thirty-four persons present. 



Dr. Geo. A. Koenig was elected a member of the Council to 

 fill the vacanity caused by the resignation of Dr. Chapman. 



May 10. 



The President, Dr. Ruschenberger, in the chair. 

 Twenty-eight persons present. 



The deaths of Jos. S. Lovering, a member, and of Dr. James 

 Lewis, of Mohawk, N. Y., a correspondent, were annovmced. 



May n. 

 Mr. Thos. Meehan, Yice-President, in the chair. 

 Twentj'-nine persons present. 



The following papers were presented for publication : 

 " Quercus rubra L. var, Texana," by S. B. Buckley. 

 " Quercus Durandii," by S. B. Buckley. 

 " Rhus cotinoides," by S. B. Buckley. 



May 24. 



The President, Dr. Ruschenberger, in the chair. 

 Twenty-nine persons present. 



A paper entitled *' Revision of the Palaeocrinoidea, Part II, 

 Family Spha?roidocrinidifi, including the subfamilies Platycrin- 

 idae, Rhodocrinidae and Actinocrinidge," by Charles Wachsmuth 

 and Frank Springer, was presented for publication. 



The death of Thos. A. Scott, a member, was announced. 



Sexual Characters in FrUillaria atropur^j^urea, Nuttall. — Mr. 

 Thomas Meehan noticed the occurrence of separate male and 

 hermaphrodite flowers in Fritillaria atropurpurea, cases of bi- 



