240 
FIFTEENTH REPORT. 
The Bryologist, Brooklyn, New York. 
Buffalo Society of Natural Sciences, Buffalo, New York. 
Calcutta University, Library, Calcutta, India. 
California Academy of Sciences, San Francisco, California. 
California University, Library, Berkeley, California. 
Calumet Public Library, Calumet, Michigan. 
Cambridge Philosophical Society. Cambridge, England. 
Cambridge University, Library, Cambridge, England. 
Canadian Institute, Toronto, Canada. 
Catholic University, Library, Washington, D. C. 
Central State Normal School, Library. Mt. Pleasant, Michigan. 
Charleston Museum, Charleston, South Carolina. 
Chicago Academy of Science, Lincoln Park, Chicago, Illinois. 
Chicago University, Library, Chicago, Illinois. 
Cincinnati Society of Natural History, Cincinnati. Ohio. 
Cincinnati University, Library, Cincinnati, Ohio. 
City of London Entomological and Natural History Society, London. 
England. 
College of Physicians, Philadelphia, Pennsylvania. 
Colorado College, Library, Colorado Springs. Colorado. 
Colorado School of Mines, Library, Golden, Colorado. 
Colorado Scientific Society, Denver, Colorado. 
Colorado University, Library, Boulder, Colorado. 
Columbia University, Library, New York City. New York. 
Commerz-Biblothek. Hamburg, Germany. 
Commissao Geographic e Geologica, San Paulo, Brazil. 
Commissioneu for Ledelsen of Geolosiske og Geographiske, Copen- 
hagen, Denmark. 
Concilium Bibliographicum, Zurich, Switzerland. 
Connecticut Academy of Arts and Sciences, Yale Station, New Haven, 
Connecticut. 
Connecticut State Library, Hartford, Connecticut. 
Cornell University, Library, Ithaca, New York. 
Dalhousie College, Library, Halifax. Nova Scotia. Canada. 
Davenport Academy of Natural Sciences, Davenport, Iowa. 
Delaware County Institute of Science, Media, Pennsylvania. 
Denison University. Scientific Laboratories, Granville, Ohio. 
Denver University, Library, Denver, Colorado. 
Department of Mines and Agriculture, Sidney. New South Wales. 
Department of the Interior. Canadian Archives, Ottawa, Canada. 
Detroit Public Library, Detroit, Michigan. 
Deutsche Botanische Gesellschaft. Berlin, Germany. 
Deutsche Geologische Gesellschaft, Berlin. Germany. 
Deutscher u. Oesterreichischer Alpen-Yerein, Munich, Germany. 
Deutscher Wissenschaftlicher Yerein, Santiago, Chili. 
Deutsches Entomologisches Natural-Museum, Berlin. Germany. 
Division of Entomology, Dept, of Agriculture, Ottawa, Canada. 
Ecole Normal e Supdrieure, Paris, France. 
Ecole Pratique des Hautes Etudes, Sorbonne, Paris, France. 
Edinburgh Field Naturalists and Microscopical Society, Edinburgh 
Scotland. 
Edinburgh Geological Society, Edinburgh, Scotland. 
