88 TTNGULATA. 



34669. The atlas vertebra; from the Pleistocene (?) of Tour-de- 

 Boulade (E. juvillacus, Brav.). 



Bravard Collection. Purchased, 1852. 



27625. The atlas vertehra, wanting the alae; from the Pleistocene 

 of Yic-la-Conte, near Issoire (Puy-de-D6me). 



Croizet Collection. Purchased, 1848. 



46097. The axis vertebra ; dredged off the Eastern coast (? E. ste- 

 nonis). Owles Collection. Purchased, 1874. 



39288. A cervical vertebra ; from the Pleistocene of Saffron Walden. 



Purchased. 



44072. A cervical vertebra ; from the Pleistocene of the Porcupine 

 River. Presented by Rev. R. McDonald, 1873. 



18821. Anterior portion of the sacrum ; from the Pleistocene of the 

 Thames Valley. Purchased, 1845. 



45303. Anterior portion of the sacrum ; from the Pleistocene of ILford. 



Brady Collection. Purchased, 1878. 



46100. The greater part of the sacrum ; dredged off the Eastern 

 coast (? E. stenonis). 



Owles Collection. Purchased, 1874. 



Equus curvidens, Owen 1 . 

 Syn. Equus ajfinis-cdballo, Lund 2 . 



In this species the relative length of the anterior pillar of the upper 

 cheek-teeth is nearly the same as in E. caballus, but the crowns are 

 more or less curved ; they are usually as wide as or rather wider 

 than long, and the plication of the enamel is comparatively slight 3 . 



Hdb. South America 4 . 



18917. Five upper cheek-teeth ; from the caverns of Minas Geraes, 



Brazil. Claussen Collection. Purchased, 1845. 



18918. Five lower cheek-teeth ; from the caverns of Minas Geraes. 



Claussen Collection. Purchased, 1845, 



1 Cat. FOBS. Mamm. Mus. B. Coll. Surg. p. 236 (1845). 



2 K. Danske Vid. Selsk. Skr. TO!, xii. p. 86 (1846). 



3 See Cope, Proc. Amer. Phil. Soc. vol. ixii. p. 10 (1884). 



4 Leidy (Proc. Ac. Nat. Sci. Philacl. for 1847, p. 263) recorded this species 

 from N. America, but it is probable that the specimens so named belong to one 

 of the species peculiar to that country. 



