1856.] 77 



Resolved, That so much 'as is published of the 8th vol. of the Pro- 

 ceedings of this Academy and the last two Nos. of the Journal, be pre- 

 sented to W. VV. Wood, Esq., of Manilla. 



April l^th. 

 Vice-President Bridges in the Chair, 



Letters were read 



Frum the Smithsonian Institution, dated Washington, March 1,1856, 

 acknowledging reciipt of last No. of the Journal. 



From the American Antiquarian Society, dated Worcester, Mass., 

 April 1st and 8th, 1856, ar.knowhdging receipt of Proceedings, vol. 7, 

 ami No. 1, vol. 8, and transmitting in exchange their publications an- 

 nounced this evening. 



From the Koyal Library of the University of Gottingen, dated 17th 

 Dec, 1855 J 



From the University Library of Heidelberg, dated 8th Jan., 1856 ; 



From the University of Jena, dated 5th Jan., 1856; 



From the Natural History Society of Dantzic, dated 20th Dec, 1855; 

 and 



From the Wurteraberg Natural History Society, dated 20th Dec, 

 1S55 ; severally acknowledging receipt of the Proceedings of the 

 Academy. 



A paper was presented from Robert Kennicott, Esq., intended for 

 pubiiciitiou in the Proceedings, entitled, " Description of a new Snake 

 frjm Illinois j" which was referred to Dr. Hallowell, Dr. Leidy, and 

 Dr. Coise. 



Dr. Leidy presented for publication in the Proceedings a paper en- 

 titled, " Descriptions of thirty new species of Acephala and G.istero- 

 poda from the Cretaceous formations of Nebraska Tc rritory, by F. B. 

 Meek, ami F. V. Hayden, M. D." Referred to Mr. Le;., Dr. Leidy, 

 and Dr. Hallowell, 



Dr. Leidy also presented for publication in the Proceedings the fol- 

 lowing : 



" Notice of tlie Remains of a species of Seal from the Post-Pliocene 

 Deposit of the Ottowa River, U. C" and 



"iNotices of several genera of extinct Mammalia previously less per- 

 fectly characterized ;" both of which were refered to Dr. Le Conte, Mr. 

 Lesley, and Mr. Vans. 



iVIr. Lea presented a paper for publication in the Proceedings, entitled, 

 " Descriptions of twenty five new species of Exotic Unioues." Referred 

 to Dr. Wilson, Mr. Hansoo, and Dr. Bridges. 



Mr. Lea read some notes from a paper he is preparing for the Journal of the 

 Academy on thr New Red Sandstone Formation of Pennsylvania, and stated 

 that he had, during a,<\ excursion last i^ummer, found in the darli shales of that 

 Formation, near Phoenixville, on the Schuylkill, the tooth of a Sauroid Reptile, 

 which he thus characterised. 



6 



