378 PROCEEDINGS OF THE ACADEMY OF [1896. 



NEW AND LITTLE KNOWN MAMMALIA FROM THE PORT KENNEDY 



BONE DEPOSIT. 



BY E. D, COPE. 



The notes contained in tiae following pages are based on mate- 

 rial acquired by the Academy of Natural Sciences of Philadelphia 

 from the locality above mentioned, and are preliminary to a com- 

 plete and illustrated report which I hope to be able to publish after 

 a full investigation of all accessible material. This paper extends 

 and modifies the conclusions communicated to the Academy at the 

 meeting of December 5th, 1895, where a general survey of the results 

 was given. After a fuller study of the material presented, I have 

 been compelled to reduce the relative number of existing species 

 whose remains have been recovered. While the total number of 

 species of mammalia is thirty-eight, the number of existing species 

 is only six. They are as follows : 



Erithizon dorsatmn L. 



Castor fiber L. 



Lepus sylvaticus Bachm. 



Ursus americanus L. 



Fells eira Desm. 



Lynx rufus Guld. 



The remains of birds are not abundant, and consist chiefly of a 

 species of turkey (Meleagrls). Of reptiles there are a snake of the 

 genus Zamenis and three species of turtles. One of the latter 

 seems to be identical with the existing Clemmys insculpta Lee. 

 while the others are apparently new. One is a large form, perhaps 

 referable to Clemmys, and the other is a box tortoise. 



BRUTA. 



Megalonyx wheatleyi Cope. 



This species was extremely abundant at the period when the fissure 

 was open, fragments of at least sixty individuals having been ob- 

 tained. The species is uniformly smaller than Al.jeffersonii, and diflTers 

 from it constantly in the form of the canine molars. Material for 

 determination of the cranial characters has been found. 



