Volume VIII Number 3 



PROCEEDINGS 



OF THE 



DELAWARE COUNTY 

 INSTITUTE OF SCIENCE 



Publication Committke : 



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



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



M. H. Hoyt, Edward V. Streeper. 



Carolus M. Broomall, Editor. 



Media, Pa. 



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

 Address all correspondence to the Editor. 



Issued April 25th, 1917 



