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. 



Philosophical Society of Washington. 



Society of American Foresters. 



Washington Society of the Arch^ological Institute of 



America. 

 Washington Society of Engineers. 



