1901.] natural sciences of philadelphia. 3 



January 22. 



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



Fifteen persons present. 



The death of Gustav Hartlaub, a correspondent, was an- 

 nounced. 



Papers under the following titles were presented for publication : 

 " On Some Points in the Phylogeny of the Primates," by 



Arthur Erwin Brown. 



" The Development and Comparative Structure of the Gizzard 



in the Odonata zygoptera," by Helen T. Higgins. 



January 29, 

 The President, Samuel G. Dixon, M.D., in the Chair. 



Sixteen persons present. 



William F. Dreer, James Eorer, and W. ^7orrell Wagner were 

 elected members. 



H. R. H. Albert I, Sovereign Prince of Monaco, was elected a 

 correspondent. 



The following were ordered to be printed : 



