PROCEEDINGS 



OF THE 



ACADEMY OF NATURAL SCIENCES 



OP 



PHILADELPHIA. 



1915. 



January 19. 

 Mr. Charles Morris in the Chair. 

 Thirty-one persons present. 



The Publication Committee reported the receipt of papers under 

 the following titles : 



"On certain vesicles found in the integument of Ants," by Adele 

 M. Fielde (January 8). 



"The Praticolella of the United States," by E. G. Vanatta 

 (January 13). 



"Notes on the water-snake Natrix compressicauda, " by T. Bar- 

 bour and G. H. Noble (January 15). 



"Notes on the Semelidse of the West Coast of America, including 

 some new species," by William H. Dall (January 16). 



The death of Leon Vaillant, a correspondent, December, 1914, was 

 announced. 



Amendments to Chapters II, IV, IX, and XII of the By-Laws 

 were adopted. They provide for the repeal of the initiation fee 

 requirement, the loaning of certain books from the library, the control 

 by Council of the frequency of its own meetings, and the holding of 

 six meetings of the Academy during the year. 



The following were elected members: 



Heber Wilkinson Youngken, 

 George B. Benners. 



The following were ordered to be printed; 



