AFFILIATED SOCIETIES. 



Anthropological Society of Washington. 



Biological Society of Washington. 



Botanical Society of Washington. 



Chemical Society of Washington. 



Columbia Historical Society. 



Entomological Society of Washington. 



Geological Society of Washington. 



Medical Society of the District of Columbia. 



National Geographic Society. 



plhlosophical society of washington. 



Society of American Foresters. 



Washington Society of the Arch^ological Institute 



OF America. 

 Washington Society of Engineers. 



?^77 



Pbess of 



The New era printing company 



Lancaster. Pa. 



