SUBORDER B 



FISSIPEDIA 



77 



Symphysis lacking flange. N. debilis, platycopis, gomphodns Cope. John Day 

 beds (Lower Miocene) ; Oregon. N. sedator Matthew. South Dakota. 



3 1 



Pseudaelurus Gervais (Fig. 107). -^-^ P, - M. M^ lacking metaconid, but 



Fig. 106. 

 Dinictis feliiia heidy. Oligocene of White River beds. Skull and lower jaw. 1/2- (After Matthew.) 



Fig. lor. 



Pseudaelurus quadridentatus Blv. (Felis Jiyaenoides Lartet.) Miocene of Sansan, Gers. A , Fragment of the riglit 

 upper jaw. B, Lower aspect of upper molar. C, Exterior aspect of right lower jaw. -73. (After Filhol.) 



with small talonid. C normal. Symphysis lacking flanges. Upper Miocene, 



P. quadridentatus Blv. Sansan. P. lorteti Gaillard. La Grive St. Alban. 

 2-3 \ 



Felis Linn. — - P, M. P* with three outer cusps. M^ lacking 



metaconid and talonid. M^ rudimentary. Condylar and carotid foramina 

 joined with foramen lacerum posterius. Mastoid process small, and pressed 



