1882.] 475 |- Co p e> 



Felid^e ; Machserodontinse ; Maclmrodus, Smilodon ; Felinse ; Plethcel- 

 urus (g. n.)*, Catolynx ; Felis ; Neofelis ; TIncia,\ Lynx, Cyncelurus. 

 Hyjenid^e, Hymnictis, Hycena, Crocuta. 



* Type, Felis planiceps Temm. Char. Second (first) superior premolar two 

 rooted ; orbit closed behind ; pupil round. 



t Mr. Wortman lias called my attention to a character of this genus which 

 confirms its separation from Eelis, as I proposed in 1879. The maxilloturbinal 

 bone is less complex in the genus Uncia, than in Felis, consistently with a less 

 nocturnal habit, and less necessity for acute smell. 



Printed Nov. 11, 1882. 



