Freiburg im Breisgau .. Naturforschende Gesellschaft. 
Gorlitz.Naturforschende Gesellschaft. 
Halle .Naturwissenschaftlicher Verein fur Sach¬ 
sen und Thiiringen. 
Heidelberg.Naturhistorisch-Medizinisclie Gesellschaft. 
Munich .Zeitschrift fur Biologie. 
Hungary. 
Pesth .Kon. Ungarische Geologische Anstalt. 
Italy. 
Florence.It. Comitato Geologico d’Italia. 
Pisa.Societa Toscana cli Scieuze Natural! 
Siena ...R. Accademia de’ Fisiocritici. 
Venice.Ateneo Veneto. 
Japan. 
Yokohama.Asiatic Society of Japan. 
Netherlands. 
Amsterdam.K. Zoologisch Genootschap Batura Artis 
Magistra. 
Haarlem ..Musee Teyler. 
Utrecht ..Provinciaal Genootschap van Kunsten en 
W etenschappen. 
Russia. 
St. Petersburg .Compass Observatory. 
Spain. 
Madrid . ..Comision del Mapa Geologico de Espana. 
Switzerland. 
Basel ... .Naturforsch ende Gesellschaft. 
Bern . ..Naturforschende Gesellschaft. 
Lausanne ... ..Scciete Vaudoise des Sciences Naturelles. 
Neuchatel .Societe des Sciences Naturelles. 
Zurich.Naturforschende Gesellschaft. 
United States. 
Ohio.Kenyon College. 
Philadelphia.Franklin Institute. 
St. Louis.Academy of Science. 
Salem (Mass.) ... Essex Institute. 
Vermont.. Orleans County Society of Natural 
History. 
Virginia.Medical Society. 
Washington .Department of Agriculture. 
Individuals. 
Brioschi, II Signor Francesco . . Milan. 
Costa, Cavalier Achille.Naples. 
Wartmann, Professor Elie.Geneva. 
Wiedemann, Professor G.Leipzig. 
Wolf, Professor R.Zurich. 
Charleston ..Elliott Society of Natural History of 
South Carolina. 
Davenport (Iowa).Academy of Natural Sciences. 
Madison.. ..... Wisconsin Academy of Sciences. 
New York .American Geographical and Statistical 
Society. 
New York Medical Journal. 
New York Academy of Sciences. 
School of Mines, Columbia College. 
