EXCHANGES AND PRESENTATIONS. 



268 Moscow *Societe Imperiale des Amis des Sciences Natur- 



elles d" Anthropologic et d' Ethnographie a 

 Moscow (Section d' Anthropologic) , 



269 St. Petersburgh *Acadenrie Imperiale des Sciences. 



270 „ ... # Comite G-eologique —Institut des Mines. 



271 Madrid .. 



272 Stockholm 

 273 



274 Berne ... 



275 Geneva ... 



276 Lausanne 



277 Neuchatel 



Spain. 



... Instituto geografieo y Estadistico. 



Sweden. 



... *Kongliga Svenska Vetenskaps-Akademien. 

 ... *Kongliga Universitetet. 



Switzerland. 



... # Soeiete de Geographie de Berne. 



... *Institut National Genevois. 



... # Societe Vaudoise des Sciences Naturelles. 



... *Societe des Sciences Naturelles. 



United States of America. 



278 Albany 



279 Annapolis (Md.) 



280 baltimore 



281 Beloit (Wis.) ... 



282 Boston 



283 „ 



284 Brookville 

 285 



286 Buffalo 



287 Cambridge 

 288 



289 Chicago 



290 Cincinnati 



291 coldwater 



292 Davenport (Iowa) 



293 Denver 



294 Hoboken(N.J.)... 



295 Iowa City (Iowa) 



296 Minneapolis ... 



297 Newhaven (Conn) 



298 New York 

 299 



300 



301 



302 



303 



304 



305 Philadelphia ... 



306 



307 



308 



309 



310 



311 



# New York State Library, Albany. 

 *Naval Academy. 

 *Johns Hopkins University. 

 *Chief Geologist. 



^American Academy of Arts and Sciences. 

 *Boston Society of Natural History. 

 *Brookville Society of Natural History. 

 Indiana Academy of Science. 

 ^Buffalo Society of Natural Sciences. 

 *Cambridge Entomological Club. 



* Museum of Comparative Zoology, Harvard College. 

 Academy of Sciences. 



*Cincinnati Society of Natural History. 

 Michigan Library Association. 



* Academy of Natural Sciences. 

 ^Colorado Scientific Society. 



* Steven's Institute of Technology. 

 ^Director Iowa Weather Service. 

 ^Minnesota Academy of Natural Sciences. 

 "■Connecticut Academy of Arts. 



* American Chemical Society. 



* American Geographical Society. 



^Editor Journal of Comparative Medicine and Surgery. 



^Editors Science. 



*New York Academy of Sciences. 



*New York Microscopical Society. 



^School of Mines, Columbia College. 



* Academy of Natural Science. 



* American Entomological Society. 



* American Philosophical Society. 

 *Franklin Institute. 



*Second Geological Survey of Pennsylvania. 

 *Wagner Free Institute of Science. 

 # Zoological Society of Philadelphia, 



