EXCHANGES AND PRESENTATIONS. 



Houmania. 



312 Bucharest ...*Institutul Meteor ologic al Roumaniei. 



Russia. 



313 Helsingfors ... # Societe des Sciences de Einlande. 



314 Kieff *Societe des Naturalistes. 



315 Moscow *Societe Imperiale des Naturalistes. 



316 „ ... ...*Societe Imperiale des Amis des Sciences Natur- 



elles d' Anthropologic et d' Ethnographie a, 

 Moscow (Section d' Anthropologic). 



317 St. Petersburg ...*Academie Imperiale des Sciences. 



318 „ ... # Comite Geologique — Institut des Mines. 



Spain. 



319 Madrid *Instituto geografico y Estadistico. 



Sweden 



320 Stockholm ...*Kongliga Svenska Vetenskaps-Akademien. 



321 „ ...*Kongliga Universitetet. 



Switzerland. 



322 Berne *Societe de Geographie de Berne. 



323 Geneva ... ...^Institut National Genevois. 



324 Lausanne ...*Societe Vaudoise des Sciences Naturelles. 



325 Neuchatel ... # Societe des Sciences Naturelles de Neuchatel. 



326 Zurich ... ...*Naturforschende Gesellschaft. 



United States of America. 



327 Albany ... ...*New York State Library, Albany. 



328 Annapolis (Md.) *Naval Academy. 



329 Baltimore ...* Johns Hopkins University. 



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



331 Boston ... ...*American Academy of Arts and Sciences. 



332 „ # Boston Society of Natural History. 



333 ,, ... ... State Library of Massachusetts. 



334 Brookville (Ind.)*Brookville Society of Natural History. 



335 ,, ... Indiana Academy of Science. 



336 Buffalo (Ind.) ...*Buffalo Society of Natural Sciences. 



337 Cambridge (Mass. )*Cambridge Entomological Club. 



338 „ ...^Museum of Comparative Zoology at Harvard 



College. 



339 Chicago Academy of Sciences. 



340 Cincinnati ...* Cincinnati Society of Natural History. 



341 Coldwater ... Michigan Library Association. 



342 Davenport (Iowa) * Academy of Natural Sciences. 



343 Denver ^Colorado Scientific Society. 



344 Fort Monroe (V a .)*United States Artillery School. 



345 Hoboken (N,J.) ...*Steven's Institute of Technology. 



346 Iowa City (Iowa) # Director Iowa Weather Service. 



347 Jefferson City...* Geological Survey of Missouri. 



348 Madison (Wis.)...* Wisconsin Academy of Sciences, Arts and Letters. 



349 Minneapolis ...^Minnesota Academy of Natural Sciences. 



350 Newhaven (Conn) Connecticut Academy of Arts and Sciences. 



351 New York ...^American Chemical Society. 



352 „ ...^American Geographical Society. 



353 ,, ...^American Institute of Mining Engineers. 



354 „ ...* American Museum of Natural History. 



