Vereine und Anstalten mit welchen Scliriftentausch stattfindet. 51 



Odessa: Neurussische Gesellschaft der Naturforscher. 

 St. Petersburg: Academie imperiale des sciences. 

 „ „ Kaiserlicher botanischer Garten. 



Amerika. 



Berkeley : University of California. 

 Boston : Society of Natural History. 

 „ American Academy. 

 „ Museum of comparative Zoology. 

 Buenos-Aires: Sociedad cientifica Arg-entina. 

 Cambridge Mass. : ]\[useura of comparative Zoology. 

 Ohapel Hill: Elisha Mitchell scientific society. 

 San Francisco: California Academy of Sciences. 

 Halifax N. S.: Nova Scotian Institute of Science. 

 San Jose: Museo nacional. 

 St. Louis: Academy ot science. 



„ Missouri Botanical garden. 



Madison: Academy of Sciences, Arts and Letters. 

 Mexico : Instituto geolögico. 

 Montevideo: Museo nacional. 

 Sao Paulo: Commissao geographica e geologica. 



„ „ Musen Paulista. 

 Philadelphia: Academy of Natural Sciences. 

 Rio de Janeiro: Museu nacional. 

 Rock Island 111.: Augustana Library. 



Salem: American Association for the Advaucement of Science. 

 Santiago de Chile : Deutscher naturwissenschaftlicher Verein. 

 Toronto: Canadian Institute. 



Washington: Departmeut of Agriculture of the United States 

 of N. America. 

 „ United States Geological Survey. 



„ Smithsonian Institution. 



„ The Microscopie. 



