Freiburg im Breisgau .. Naturforschende Gesellsebaft. 
Gorlitz.Naturforschende Gesellsebaft. 
Halle .Naturwissenschaftlicher Verein fair Sach- 
sen und Tbiiringen. 
Heidelberg.NaturhistorischdVfedizinische Gesellsebaft. 
Munich .Zeitscbrift fiir Biologie. 
Hungary. 
Pesth .Kon. Ungariscbe Geologiscbe Anstalt. 
Italy. 
Florence.R. Comitato Geologico d’ltalia. 
Pisa.Societa Toscana di Scienze Natural!, 
Siena .R. Accademia de’ Fisiocritici. 
Venice.Ateneo Veneto. 
Japan. 
Yokohama .. .......... Asiatic Society of Japan. 
Netherlands. 
Amsterdam.... K. Zoologiscb Genootschap, ‘ Natura Artis 
Magistral 
Haarlem.Musee Teyler. 
Utrecht ..Provinciaal Genootschap van Kunsten en 
W etensebappen. 
Russia. 
St. Petersburg .Compass Observatory. 
Spain. 
Madrid .Comision del Mapa Geologico de Espaiia. 
Switzerland. 
Basel .Naturforschende Gesellsebaft. 
Bern ..Naturforschende Gesellsebaft. 
Lausanne ...Societe Vaudoise des Sciences Naturelles. 
Neucbatel ...Societe des Sciences Naturelles. 
Zurich...Naturforschende Gesellsebaft. 
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. 
i 
Individuals. 
Brioschi, II Signor Francesco ..Milan. 
Costa, Cavalier Achille.Naples. 
Wartmann, Professor Elie.Geneva. 
Wiedemann, Professor G.Leipzig. 
Wolf, Professor R.Ziiricb. 
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. 
