3 

 AFFILIATED SOCIETIES 



The Anthropological Society of Washington 



The Biological Society of Washington 



The Chemical Society of Washington 



The Columbia Historical Society 



The Entomological Society of Washington 



The Geological Society of Washington 



The Medical Society of the District of Columbia 



The National Geographic Society 



The Philosophical Society of Washington 



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PRESS OF 



THE NEW EflA PRINTING COMPANY, 



LANCASTER, PA. 



