48 CARNIVORA.. 



Smilodon neog&us, Cope. 

 Smilodon populator , Lund 1 . 



Hob. S. America. 



21000. The cranium and mandible, wanting the maxillae and the 

 left premaxilla ; from the Pleistocene of Buenos Ayres. 

 The upper portion of the left canine remains ; there are 

 only two cheek-teeth on each side of the mandible. 



Purchased, 1846. 



M. 1572. Cast of the cranium and mandible ; from a cavern in 

 Minas Geraes, Brazil. The original of this specimen (from 

 which the woodcut fig. 6 is modified) is in the Paris 



Fig. 



Machcerodus neog&us. Cranium, much reduced ; from South America. 



Museum ; and is figured by De Blainville in his ' Osteo- 

 graphie,' genus Felis, pi. xx. A small pm . 3, of different 

 sizes on the two sides, is present in the mandible. 



No history. 



43235. The left ramus of the mandible, wanting the cutting-teeth ; 



from the Pleistocene of Buenos Ayres. In this specimen 

 pinTs is absent. Presented % Senor L. J. Fontana, 1871. 



43236. The left ramus of the mandible, wanting the cutting-teeth ; 



from the Pleistocene of Buenos Ayres. In this specimen 

 the teeth are in beautiful preservation ; pm . 3 is present, 

 and is of considerably larger size than in the Paris skull 

 (No. M. 1572). Presented by Senor L. J. Fontana, 1871. 

 1 Loc. cit. vol. ix. p. 293 (1842). 



