EXCHANGES AND PRESENTATIONS, 



271 Moscow *Societe Imperiale des Naturalistes. 



272 „ *Societe Imperiale des Amis des Sciences Natur- 



elles d' Anthropologie et d' Ethnographic h 

 Moscow (Section d' Anthropologie) . 



273 St. Petersbubgh *Academie Imperiale des Sciences. 



274 „ ... *Comite Geologique—Institut des Mines. 



Spain. 



275 Madrid Instituto geografico y ~ ' 



Sweden. 



Switzerland. 



278 Bkrne *Sociote de Geographique de Berne. 



280 Lausanne ... *Societe Vandoise des Sciences Naturelles. 



281 Neiiohatel ... *Societe des Sciences Naturelles. 



United States of America. 



282 Albany *New York State Library, Albany. 



283 Annapolis (Md.) *Naval Academy. 



284 Baltimore ... * Johns Hopkins University. 



285 Beloit (Wis.) ... *Chief Geologist. 



286 Boston *American Academy of Arts and Sciences. 



287 „ * Boston Society of Natural History. 



288 Beookville ... *Brookville Society of Natural History. 



289 „ ... Indiana Academy of Science. 



2yO Buffalo *Buffalo Society of Natural Sciences. 



291 Cambridge (Mass.) ♦Cambridge Entomological Club. 



292 „ ... * Museum of Comparative Zoology, Harvard College 



293 Chicago Academy of Sciences. 



294 Cincinnati ... *Cincinnati Society of Natural History. 



295 Coldwater ... Michigan Library Association. 



296 DAVENPORT(Iowa)*Academy of Natural Sciences. 



297 Denver •Colorado Scientific Society. 



298 HoBOKEN (N. J.) *Steven's Institute of Technology. 



299 Iowa CiTT(Iowa) *Director Iowa Weather Service. 



300 Minneapolis ... *Minnesota Academy of Natural Sciences. 



301 Newhaven (Conn)*Connecticut Academy of Arts. 



302 New York ...* American Chemical Society. 



303 „ ... *American Geographical Society. 



30 1 „ ... "Editor Journal of Comparative Medicine and Surgery. 



305 „ ... *Editor Science.' 



306 „ ... *New York Academy of Sciences. 



307 „ ... *New York Microscopical Society. 



308 ,. ... •School of Mines, Columbia College. 



ihlcal S 



*American Philosophical Society. 

 *Franklin Institute. 



•Second Geological Survey of Pennsylvania. 

 •Wagner Free Institute of Science. 

 ♦Zoological Society of Philadelphia. 



