240 CORRESPONDENCE. 



Die Obcrliessiche Gesellscliaft fiir Natur- nnd Heilkunde. 



L' Institute Royal Meteorologique des Pays-Bas, a Utrecht. 



Der Naturforscher-Vereiu zn Riga. 



Archives du Musee Tyler, a Haarlem. 



Der Bibl. Kais. Akademie der Wissenschaften in Wien. 



Society Hollandaise des Sciences, a Haarlem. 



July. Magyar Tudomanyos Akademia, Pest, with publications. 



B. Wilder, Jabez Hogg, Jos. D. Hooker, M.D., severally acknowledging 

 receipt of notice of election as correspondents. 



Dr. Macomber, resignation of membership. 



Wesley Creal, in relation to a Mastodon's tooth. 



Yale College, New Haven, acknowledging receipt of publications. 



Antonio del Castillo, acknowledging election as correspondent. 



Der Offenbacher Verein fiir Naturkunde. 



Academic Royale des Sciences, des Letters, et des Beaux-arts de Bel- 

 gique, transmitting publication. 



August. Cambridge University ; 

 Zoological Society of London ; 

 Leed's Philosophical and Literary Society ; 



British Museum ; severally acknowledging receipt of publications. 

 Literary and Philosophical Society of Liverpool, with publications. 

 Literary and Philosophical Society of Manchester, with publications. 

 Anales del Museo Publico de Buenos Aires. 

 Academia National de Ciencias Exactas, Buenos Aires. 

 Der Senckenbergischen Naturforschenden Gesellschaft, zu Frankfurt 

 a. M. 

 Bureau de la Recherche Geologique de la Suede. 

 Naturforcher- Verein zu Riga. 

 Mariano Barcena, Mexico. 



September. New York State Library, Albany, with publications. 

 Dr. J. Heule and Jose Joaquin Arriago, Mexico, acknowledging election 

 as correspondents. 

 Det Kongelige Danske Videnskabernes Selskab, Kjobenhavn. 



October. New York Lyceum of Natural History, acknowledging receipt 

 of publications. 



Thos H. Streets, accompauying a specimen of coral. 



A. L. Siler, acknowledging receipt of notice of election as correspondent. 



Societe Linneenne de Bordeaux, with publications. 



November. Smithsonian Institution, Washington ; 



Naturforschende Gesellschaft of Basel ; 



Magyar Tudomanyos Akademia ; 



Belfast Museum ; severally acknowledging receipt of publications. 



Konigl. Bayerischen Universitjits Bibliothek, acknowledging receipt of 

 publications and desiring deficiencies. 



Thos. Frazer, acknowledging receipt of notice of election as corre- 

 spondent. 



