48 CARNIVORA. 
Smilodon neogeus, Cope. 
Smilodon populator, Lund '. 
Hab. 8S. America. 
21000. The cranium and mandible, wanting the maxille 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 

Macherodus neogeus.—Cranium, much reduced ; from South America. 
Museum ; and is figured by De Blainville in his ‘ Ostéo- 
graphie,’ genus Felis, pl. 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 
pm. 3 is absent. Presented by 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 Loe. cit. yol. ix. p. 293 (1842). 
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