316 



Stated Meeting^ Ajwil Isi^ 1870. 



Present, eleven members. 



Prof. Cressox, Vice-President, in tte Chair. 



Letters accepting membership were received from Carl Fr. 

 Naumann, dated Leipsic, 13th February, 1870; Greorge Ritter 

 Von Frauenfeld, Wien, oth March, 1870; Prof. Dr. F. V. 

 Hochstetter, Wien, 2d March, 1870; Louis Gruner, Prof. 

 Miu. £cole des Mines, Paris, 6th March, and Edward Everett 

 Hale, dated Boston, March 21, 1870. 



Donations for the Library were received from the London 

 Astronomical Society; M. Theodore Wechniaakof, of Paris; 

 the Boston S. N. H.; the Cambridge Museum of Comparative 

 Zoology; Mr. J. H. Trumbull, of Hartford, Dr. S. D. Gross, of 

 Philadelphia, the Franklin Institute, the Episco23al Hospital, 

 and the Editors of Nature. 



Prof. Cope exhibited fossil fishes in black shale from Dr. 

 Hayden's collections of 1869; from Eailroad cuttings, in the 

 Green River Country, Pocky Mountains, belonging to the salt 

 water family of the Clupeidas, and the brackish water family 

 of the Cyprinodontidaj, for two of which he proposed the 

 names, LWdchthys piisillus and Gyprlnodon levatus. These 

 make the first appearance in America, of genera known to be 

 fossil in the rocks of Mount Lebanon. (See Proceedings below.) 



Dr. Hayden described the large collections which he made 

 in that region, and deposited at Washington. The shales are 

 charged with bituminous matter, and exhibit multitudes of 

 small fish, insects, freshwater-plant stems, nuts, and among 

 other things, a true feather, as determined by Mr. Marsh, of 

 New Haven; probably not a bird's feather, but belonging to 

 some form of Archasopteryx. 



A discussion took place respecting the law of storms as set 

 forth in a recent memoir by M. Prestel. 



Pending nominations Nos. 649 to 656, and new nominations 

 Nos. 657, 658, were read. 



And the Society was adjourned. 



