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Tufts College, Massachusetts. 
Meriden Scientific Association, Meriden, Conn. 
University of Montana, Missoula (Montana). 
Connecticut Academy of Arts and Sciences, New-Haven. | 
New-Orleans Academy of Sciences, New-Orleans. 
American Museum of Natural History, New-York. 
New-York Academy of Sciences, Columbia University, 
New-York City. 
Oberlin College, Oberlin, Ohio. 
Geological Survey Department, Ottawa, Canada. 
Academy of Natural Sciences of Philadelphia, P hila- 
delphia, Pa. 
. American Philosophical Society, Philadelphia, Pa. 
Journal of comp. Medicine and Surgery, Philadelphia. 
American Association for the Advancement of Science, | 
Cincinnati, Ohio. 
Rochester Academy of Science, Rochester, New-York. 
Augustana College, Rock Islan d, 1H. 
Academy of Sciences, San Francisco, Cal. 
Missouri Botanical Garden, St. Louis. 
Illinois State Laboratory of Natural History, Urbana, Ш.. 
Anthropological Society of Washington, W ashington, D.C. 
Signal Service, Washington, D.C. 
Smithsonian Institution, Washington, D.C. 
U. S. Geological Survey, Washington, D.C. 
U. S. National Museum, Washington, D.C. 
Ohio Agricultural Experiment Station, Wooster, O. 
16. Midden-Amerika. 
Instituto Geologico de Mexico, Mexico. 
17. Zuid-Amerika. 
Instituto Geografica Argentino, Buenos Aires. 
Academia nacional de ciencias de la Republica Argentina, | 
Cordo va. 
Museo nacional de Montevideo, Montevideo. 
