Freiburg- im Breisgau .. Naturforschende Gesellscbaft. 
Gorlitz.. .Naturforschende Gesellscbaft. 
Halle .Naturwissenschaftlicher Verein fiir Sach¬ 
sen und Thiiringen. 
Heidelberg.Naturhistorisch-Medizinische Gesellscbaft. 
Munich ...Zeitscbrift fiir Biologie. 
Hungary. 
Pestb .... Kon. Ungariscbe Geologisehe Anstalt. 
Italy. 
Florence...R. ComitatO' Geologico d’ltalia. 
Pisa.. .... Societa Toscana di Scieuze Natural!. 
Siena .... R. Accademia de’ Fisiocritici. 
Venice.... Ateneo Veneto. 
Japan. 
Yokohama .. .......... Asiatic Society of Japan. 
Netherlands. 
Amsterdam........ ... .K. Zoologisch Genootschap Natura Artis 
Magistra. 
Utrecht .. .. ...... .... Provinciaal Genootschap van Kunsten en 
W etenschappen. 
Russia. 
St. Petersburg ...... . . Compass Observatory. 
Spain. 
Madrid ... Comision del Mapa Geologico de Espana. 
Switzerland. 
Basel ..Naturforschende Gesellscbaft. 
Bern .Naturforschende Gesellscbaft. 
Lausanne .. ...Societe Vaudoise des Sciences Naturelles. 
Neucbatel .•...Societe des Sciences Naturelles. 
Zurich ... ......... .. Naturforschende Gesellscbaft. 
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 Science. 
School of Mines, Columbia College. 
