HY ZNODONTID &. 23 
sent species; from the Upper Eocene of Caylux (Tarn-et- 
Garonne), France. Purchased, 1884. 
M. 1674. Part of the left ramus of the mandible, containing the 
second and third true molars; from the Upper Eocene of 
Caylux. This specimen seems to be precisely similar to 
the type mandible figured by Filhol in the Ann. Sci. Géol. 
vol. vil. pl. xxxui. fig. 160. Purchased, 1884. 
M. 1675. Three canines, not improbably belonging to this species ; 
from the Upper Eocene of Bach, near Lalbenque (Lot), 
France. Purchased, 1884. 
28181. The left ramus of the mandible, with the teeth in a broken 
and much-worn condition; from the Upper Eocene of 
Deébruge. Bravard Collection. Purchased, 1852. 
27180-6. Several incisor and premolar teeth; from the Upper 
Eocene of Débruge. Bravard Collection. Purchased, 1852. 
28204. Fragment of the left ramus of the mandible, containing five 
cheek-teeth ; from the Upper Kocene of Débruge. 
Bravard Collection. Purchased, 1852. 
- 281'78-9. Two canines ; from the Upper Eocene of Débruge. 
Bravard Collection. Purchased, 1852. 
28206-9. Four canines ; from the Upper Eocene of Débruge. 
Bravard Collection. Purchased, 1852. 
28222. A canine; from the Upper Eocene of Débruge. 
Bravard Collection. Purchased, 1852. 
28174. The second left upper true molar, of unusually large size 
and in an unworn condition ; from the Upper Eocene of 
Vaucluse. Bravard Collection. Purchased, 1852. 
28205, 28227. A premolar and an upper true molar; from the 
Upper Eocene of Vaucluse. 
Bravard Collection. Purchased, 1852. 
Hyznodon brachyrhynchus, Blainville’. 
Syn. Pterodon brachyrhynchus, Pomel”. 
Pterodon requent, P. Gervais’. 
Hyenodon requient, P. Gervais‘. 
1 «Ostéographie, Genus Canis, p. 113 (1842 ?). 
2 Bull. Soc. Géol. France, ser. 2, vol. iv. p. 892 (1846). 
8 Comptes Rendus, vol. xxii. p. 846 (1846). 
4 Zool. et Pal. Frangaises, 1st ed. vol. i. p. 129 (1848-52). 
