MICHIGAN ACADEMY OF SCIENCE. 
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Naturwissenschaftlicher Verein, Hamburg, Germany. 
Naturwissenschaftlicher Verein,. Karlsruhe, Germany. 
Naturwissenschaftlicher Verein, Luenebnrg, Prussia, Germany. 
Naturwissenschaftlicher Verein, Magdeburg, Saxony, Germany. 
Naturwissenschaftlicher Verein, Osnarbrueck, Prussia. Germany. 
Xaturwissensoliaftlicher Verein, Regensburg, Bavaria, Germany. 
Naturwissenschaftlioher Verein fner Saeolisen u. Tliueringen, Halle- 
au-der-Saale, Prussia, Germany. 
Naturwissenschaftlioher Verein fuer Solileswig-Holstein. Kiel. Prus- 
sia, Germany. 
Naturwissenschaftlioher Verein fuer Schleswig-Holstein, Kiel. Prus- 
Germany. 
Naturwissenschaftlioher Verein fuer Steiermark, Graz, Austria. 
Nebraska University, Library, Lincoln, Nebraska. 
Nederlandsche Entomologische Vereeniging, Leiden, Holland. 
Nevada University, Library, Reno, Nevada. 
New York Academy of Medicine, New York City, New York. 
New York Botanical Gardens, Bronx Park, New York City, New York. 
New York Public Library, New York City, New York. 
New York State Library, Albany, New York. 
New York State Museum of Natural History, Albany, New York. 
Norges Geologiske Undersoegelse, Christiania, Norway. 
Northampton Institute, St. Johns Street Road, London. England. 
North Carolina Geological Survey, Raleigh, North Carolina. 
North Carolina University Library, Chapel Hill. North Carolina. 
North Dakota Experiment Station, Agricultural College, Fargo, North 
Dakota. 
North Dakota University, Library, Grand Forks, North Dakota. 
Northwestern University, Library, Evanston, Illinois. 
Nova Scotian Institute of Science, Halifax, Nova Scotia, Canada. 
Oahu College, Honolulu, Hawaii. 
Oberhessiche Gesellschaft fuer Natur-u. Heilkunde, Giessen. Hesse. 
Germany. 
Oberlin College, Library, Oberlin, Ohio. 
Observatorio do Rio de Janeiro, Rio de Janeiro, Brazil. 
Oesterreichischer Reich s-Forst Verein, Wien, Austria-Hungary. 
Ohio Mechanics Institute, Cincinnati, Ohio. 
Ohio State Academy of Science, Page Hall, Ohio State University, 
Columbus, Ohio. 
Ohio State Archaeological and Historical Society. Columbus, Ohio. 
Ohio State University, Library, Columbus, Ohio. 
Ohio Wesleyan University, Library, Delaware, Ohio. 
Oklahoma University, Library, Norman, Oklahoma. 
Olivet College, Library. Olivet, Michigan. 
Onondaga Academy of Science, Syracuse, New York. 
Ontario Minister of Education, Ottawa, Canada. 
Oregon University, Library, Eugene, Oregon. 
Orto Botanico, Palermo, Italy. 
Oschshestvo lestestvo-Ispytalelei pri Imper. Kazanskom Universitetie. 
Kazan, Russia. 
Oxford University Entomological Society, Oxford, England. 
Peabody Academy of Science, Salem, Massachusetts. 
