64 



According to Hatcher, Dafhmms hartshornianus is properly referable to his genus Pro. 

 temnocyon,* founded on excellent material from the Oligocene deposits of Hat Creek basin, 

 Sioux county, Nebraska. 



DiNiCTis FELiNA, Leidy. 

 Plate VII, figs. 21, 22, 23 and 24. 

 Dinictis felina, Leidy, 1856. Proc. Acad. Nat. Sci. Phila., vol. VIII, p. 91. 



" " Leidy, 1869. The extinct mammalian fauna of Dakota and Nebraska; 



Jour. Acad. Nat. Sci. Phila., vol. VII, pp. 61 and 368, pi. V, figs. 1-4. 



■ A right lower first raolar,belonging to the 1904 collection, is referred to this species. 

 The three figures of it in plate VII will give a fair idea of its proportions. The two large 

 cueps, the principal one and the smaller anterior one, together form an admirable cutting 

 edge. The posterior cusp or heel is well developed, trenchant and larger than the heel of 

 the corresponding tooth in Hoplophoneus. A small postero-internal cusp is present, high on 

 the posterior border of the principal cusp. There is also a very small anterior basal cusp 

 or tubercle. The tooth has not been subjected to much wear, and its cutting edges are, 

 throughout, slightly denticulated. 



Another tooth, fig 24, an upper canine, probably also belongs to this species. It curves 

 slightly backward and ends bslow in a moderately sharp point. In transverse section above 

 it is narrowly elliptical. The posterior border is denticulated and sharper than the anterior 

 one on which no denticles are seen. The surface of the specimen is weathered. Length 

 (imperfect above), 28*5 mm. ; max. antero-posterior diameter, 14 mm. ; max. transverse 

 diameter, 8 mm. 



* Oligocene Canidae. Memoirs of the Carnegie Museum, vol. I, 1902, p 104. 



