246 
FIFTEENTH REPORT. 
Observatorio do Rio do Janeiro, Rio de Janeiro, Brazil. 
Oesterreichischer Reichs-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 Botanieo, Palermo, Italy. 
Osehsliestvo Iestestvo-Ispytalelei pri Impel*. Kazanskom Universitetie. 
Kazan, Russia. 
Oxford University Entomological Society, Oxford, England. 
Peabody Academy of Science, Salem, Massachusetts. 
Peabody Institute, Library, Baltimore, Maryland. 
Peabody Museum of American Archaeology and Ethnology, Cam- 
bridge. Massachusetts. 
Pennsylvania University, Library, Philadelphia, Pennsylvania. 
Perthshire Society of Natural Science, Perth- Scotland. 
Petermann, Dr. A., Geographischer Mitteilungen, Gotha, Germany. 
Petoskev Public Library, Petoskey, Michigan. 
Phillips Academy, Department of Archaeology, Andover, Massachu- 
setts. 
Philosophical Society of Glasgow, Glasgow, Scotland. 
Popular Science Monthly, Sub-station 84, New York City, New York. 
Portland Society of Natural History, Portland. Maine. 
Princeton Academy of Science, Princeton, Illinois. 
Princeton University, Library, Princeton, New Jersey. 
Provinzial- Yerein fuel* Wissenschaft-u. Kunst, Muenster, Prussia. 
Germany. 
Public Gardens and Plantations, Gordon Town, Jamaica. 
Public Library, Bay City, Michigan. 
Public Library, Traverse City, Michigan. 
Public Library and Museum, Brighton, England. 
Public School, Library, Adrian, Michigan. 
Purdue University, Library, Lafayette, Indiana. 
Queen's College, Library, Belfast, Ireland. 
Queen's College, Library, Galway, Ireland. 
Queen's University, Library, Kingston. Canada. 
Real Academica de Ciencias Exactes. Fisicas y Natureals, Madrid, 
Spain. 
Real Academia de Ciencias y Artes, Barcelona, Spain. 
R. Accademia delle Scienze e Belle Lettere, Naples, Italy. 
R. Accademia di Scienze, Lettere ed Art, Padua, Italy. 
R. Accademia di Scienze, Lettere Belle-Arti, Palermo, Italy. 
Regia Superiore d' Agricoltura Biblioteca, Portici, Italy. 
Regia University degii Studi, Biblioteca, Bologna, Italy. 
Regia University degii Studi, Genoa, Italy. 
