1856.] 257 



The scales are almost the size of, and bear considerable resemblance to, those 

 of Calastomus hubalus. A nearly circular scale is about 1|- inches in diameter, 

 and an ovoidal scale has been nearly 2 inches wide and 1 inch long. Deep 

 radiant grooves mark the uncovered portion, and minute granule-like points the 

 opposed portion, while the intermediate ti-acts are smooth. 



3, Enchodus shumardi, Leidy. 



Based on the specimen of a right dental bone found in company with Clado- 

 cyclus occidentalia. The bone has been about an inch in length, and in the 

 specimen it supports a series of six large teeth, of which the first one is 2 lines 

 long and the last one | of a line. The border of the bone outside of the long 

 teeth is fringed Avith minute teetli. 



The species is named in compliment to Dr. Benj. F. Shumard, of St. Louis, 

 who assisted Dr. Evans in his important explorations. 



The Secretary announced the death of Mr. Samuel B. Ashmead, late 

 a member of the Academy. 



ELECTION. 



Drs. Ellwood Wilson and Robert E. Griffith, of Philadelphia, and 

 Dr. Eugene Francfort, of Middletown, Conn., were elected members of 

 the Academy. 



19 



