Vereine 
und Anstalten, mit welchen Schriftentausch stattfindet. 83 
Odessa: Neurussische Gesellschaft der Naturforscher. 
St. Petersburg: Acad&mie imperiale des sciences. 
St. Petersburg: Kaiserlicher botanischer Garten. 
Amerika. 
Berkeley: University of California. 
Boston: Society of Natural History. 
Boston: American Academy. 
Boston: Museum of comparative Zoology. 
Buenos-Aires: Sociedad cientifica Argentina. 
Cambridge Mass.: Museum of comparative Zoology. 
Chapel Hill 
: Elisha Mitchell scientific society. 
San Francisco: California Academy of Sciences. 
Halifax N. S.: Nova Scotian Institute of Seience. 
San Jose: Museo nacional. 
St. Louis: Academy of science. 
St. Louis: Missouri Botanical garden. 
Madison: Academy of Sciences, Arts and Letters. 
Mexico: Instituto geolögico. 
Montana: Biological Station of the University. 
Montevideo: 
Sao Paule: 
Sao Paulo: 
Museo nacional. 
Commissao geographica e geologica. 
Museu Paulista. 
Philadelphia: Academy of Natural Sciences. 
Rio de Janeiro: Museu nacional. 
Rock Island Dl.: Augustana Library. 
Salem: American Association for the Advancement of Science. 
Santiago de 
Chile: Deutscher naturwissenschaftlicher Verein. 
Toronto: Canadian Institute. 
Washington 
Washington 
Washington 
Washington 
: Department of Agriculture of the United States 
of North America. 
: United States Geological Survey. 
: Smithsonian Institution. 
: The Microscopie. 
6* 
