Vol. VII, No. I May, 1914 



PROCEEDINGS 



OF THE 



DELAWARE COUNTY 

 INSTITUTE OF SCIENCE 



Publication Committee : 



T. Chalkley Palmer, Chairman; Trimble Pratt, M. D., 



J. C. Starbuck, M. D., B. M. Underbill, V. M. D. 



Carolus M. Broomall, Editor. 



MEDIA, Pa. 



Issued at intervals. Ivimited edition for free distribution on application. 

 Address all correspondence to the Editor. 



