1901.] natural sciences of philadelphia. 143 



Februaey 19. 

 Mr. Arthur Erwin Brown, Vice-President, in the Chair. 

 Fifteen persons present. 



February 26. 

 Mr. Arthur Erwin Brown, Vice-President, in the Chair. 

 Twenty-eight persons present. 



Papers under the following titles were presented for publication : 



" Descriptions of New Bees collected by Mr. H. H. Smith in 

 Brazil, II," by T. D. A. Cockerell. 



" Note on the Odontostomidce," by Henry W. Fowler. 



" The Development of the Tympano-Eustachian Passage and 

 Associated Structures in the Common Toad, Bufo leutiginosus," 

 by Henry Fox. 



" Farther Studies on the Chromosomes of the Hemiptera heter- 

 optera," by Thomas H. Montgomery. 



Mr. C. Hart man Kuhn was elected a member. 

 The following were ordered to be printed: 



