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PROCEEDINGS 



DELAWARE COUNTY 

 NSTITUTE OF SCIENCE 



Publication Committee : 

 '^Chalkle}^ Palmer, Chairman, Trimble Pratt, M. I)., 

 Jacob B. Brown, Henry L. Broomall, 

 Liuiueus Fiissell, M. D. 



Carolus M. Broomall, Kditor. 



Media, Pa. 



.Issued Quarterly, Subscription, One Dollar per annum in advance. 

 Address all correspondence to the Editor. 



