64 



CARNIVORA 



ORDER III 



and indented or cutting talonid. 3P and M^ frequently wanting. Humerus with 

 entepicondylar foramen. Manus and pes pentadadyl, with proportionately short 

 metapodia ; daws somewhat retradile. Tail long. 



In the later forms of the Upper Miocene and Pliocene of North 

 America there is a shortening of the cranium which is correlated with the 

 disappearance of J\P, the shortening of M, and if 3, and commonly with the 

 reduction of the number of premolars. P^ may become complicated, while 

 Jfg '^^y develop a long talonid when M^ is lost. 



Amphicyon giganteus Laurill. 



Fig. 90. 

 Miocene ; Sansan (Gers). Inferior aspect of left upper jaw. 3/g. (After Gaudry.) 



Amphicyon Lartet (Fig. 90). f M. ]\P always small; 3P and M^ tri- 

 tubercular with V-shaped cusps ; lower 31 slender, with weakly or strongly 

 developed trenchant talonid. Numerous species varying in size between spaniels 

 and bears. Quercy Phosphorites (Oligocene), Jl. amhiguus Filhol. Lower 

 Miocene of Europe, A. lemanensis Pomel. Upper Miocene, A. major Blv. Lower 

 Miocene of Lidia, A. shahazi Pilgrim. Pliocene, A . jxdaeindicus Lydekker. 



Fig. 91. 



Da;)/iaenodon suj)«rbj(s Peterson. L. Miocene; Sioux Co., Nebraska. Restored skeleton. i/i5- (After Peterson.) 



Heproduced, by permission, from The Memoirs of the Carnegie Museum. 



Daphaenus Leidy. ^ M. Somewhat resembling Amphicyon, and represented 

 by perfect skeletons. White River beds (Oligocene). D. felinus Scott ; D. 

 veins Leidy. Daphaenodon Peterson (Fig. 91). A later form and a successor 

 to Daphaenus. Skeleton well known and larger than the preceding. D. 

 superbus Peterson ; Lower Miocene, Nebraska. 



Paradaphaenus Matthew. John Day beds (Basal Miocene). P. cuspigerus 

 Cope sp. 



