Exchanges. xv 



United States — Continued. 

 Buffalo (N. T.). 



Society of Natural Sciences. 

 Cambridge (Mass.). 



Entomological Club. 



Harvard College Library. 



Harvard College Observatory. 



Museum of Comparative Zoology. 



Peabody Museum of American Archaeology and 

 Ethnology. 

 Chapel Hill (N. <?.). 



Elisha Mitchell Scientific Society. 

 Charleston (S. C). 



Elliott Society of Science and Art. 

 Charlotteville (Fa.). 



University of Virginia Librar}\ 

 Chicago {111.). 



Academy of Sciences. 



Field Columbian Museum. 



Historical Society. 



John Crerar Library. 



Public Library. 



University of Chicago Library. 

 Cincinnati (0.). 



Ohio Mechanics' Institute. 

 Columbia (Mo.). 



State University Library. 

 Davenport (la.). 



Academy of Natural Sciences. 

 Denver (Col.). 



Colorado Scientific Society. 

 Des Moines (7a.). 



Iowa Academy of Science. 

 Golden (Col.). 



State School of Mines. 

 Good Hope (III.). 



" American Antiquarian." 

 Granville (0.). 



Denison Scientific Association. 

 Hanover (N. H.). 



Dartmouth College Library. 

 Houston (Tex.). 



State Geological and Scientific Association. 



