PROCEEDINGS 



Delaware County Institute of Science 



Caroliis M. Broomall, Editor. 



Publication Committee : 



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



Henrs^ L. Broomall, Linnaeus Fussell, M. D. 



Volume II: October, 1906, to July, 1907 



Media, Pa. 



