Exchanges. 



XV 



United States — Continued. 

 Buffalo {N. F.). 



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. C). 



Elisha Mitchell Scientific Society. 

 Charleston {S. C). 



Elliott Society of Science and Art. 

 Charlotteville (Va.). 



University of Virginia Library. 

 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 {la.). 



Iowa Academy of Science. 

 Golden {Col.). 



State School of Mines. 

 Good Hope {El.). 



"American Antiquarian." 

 Granville {0.). 



Denison Scientific Association. 

 Hanover {N. H.). 



Dartmouth College Library. 

 Houston {Tex.). 



State Geological and Scientific Association. 



