Vereine und Anstalten, mit welchen Schriitentausch stattfindet. 2ft 



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 Science. 



San Jose: Museo nacional. 



Lima: Cuerpo de Ingenieros de Minas del Perii. 



St. Louis: Academy ot Science. 



St. Louis: Missouri Botanical garden. 



Madison: Academy of Sciences, Arts and Letters. 



Mexico: Instituto geolögico. 



Montana: Biological Station of the University. 



Montevideo: Museo nacional. 



New- York: Botanical Garden. 



Sao Paulo: Commissao geographica e geologica. 



Sao Paulo: Museu Paulista. 



Philadelphia: Academy of Natural Sciences. 



Rio de Janeiro : Museu nacional. 



Rock Island III.: Augustana Library. 



Salem: American Association for the Advancement of Science. 



Santiago de Chile: Deutscher naturwissenschaftlicher Verein. 



Toronto: Canadian Institute. 



Washington: Department of Agriculture of the United States 



of North America. 

 Washington ••United States Geological Survey. 

 Washington : Smithsonian Institution. 

 Washington: The Microscopie. 



Asien. 



Manila: Exposition Board of the Government of the Philippine 

 Archipelago. 



