Cope.] ^^^ Dec. 18, 



Mayer of Bethlehem, the Medical News and Penn. Monthly, 

 Peabody Institute in Baltimore, Surgeon General's Office in 

 Washington, the Publishing Bureau of the U. S. Com- 

 missioners to the Paris Int. Exp. of 1867, War Maps from the 

 Chief Engineer's Bureau in the AYar Office, a map of Ohio 

 from Prof. Newber/y, and the Annals of the Buenos Ayrcs 

 Public Museum. 



The Committee to which was referred the paper of Dr. 

 Horatio C. Wood on Fresh water Algse, reported in favor of 

 its publication in the Transactions. The subject was, on 

 motion, referred to the Publication Committee with instructions 

 to report at the next meeting. 



An obituary notice of Mr. Franklin Peale, a late member 

 of this Society, was read by Mr. Eobert Patterson. 



An obituary notice of Mr. Samuel Yaughan Merrick, a late 

 member of this Society, was read by the Pev. Dr. Goodwin. 



Prof Cope made a communication on certain extinct Astici 

 from the Fresh water Tertiary of Idaho. And another on 

 four species of Pythomorphia from the Cretaceous of Kansas. 



The reading of the report of the Finance Committee was, on 

 motion, postponed to the next meeting. 



Mr, Marsh, Treasurer of the Building Fund Trust, presented 

 the annual Eeport of the Trustees. 



Pending nominations 661 to 668 were read. 



Motions for appropriations for the ensuing year were post- 

 poned to the next meeting. 



And the Society was adjourned. 



ON SOME SPECIES OF PYTHONOMORPHA FROM THE CRE- 

 TACEOUS BEDS OF KANSAS AND NEW MEXICO. 



BY PROF. E. D. COPK. 



Bead before the American PhilosopMeal Society, December iStlt,, 1870. 



LlODON DTSPELOR. Cope. 



Species nova. 



This'species is represented by numerous vertebrae of the dorsal, lumbar, 

 and caudal regions, and other remains, which will at a future time be 

 more fully described than is possible at present. The vertebrae indicate 

 the largest Mosasauroid reptile known, and arc remarkable for their form 

 as well as size. 



