28155. 
28169. 
26759. 
28239. 
28289. 
28210. 
28196. 
27583. 
26751. 
26752. 
28193. 
HYZNODONTIDZ. 39 
that species varied greatly in size), and more nearly corre- 
sponds to H. vulpinus. It probably belongs to the same 
species as a femur from the same locality noticed below, 
and would seem to indicate a second British species of 
Hycnodon, since no small forms of Pterodon are known. 
Hastings Collection. Purchased, 1855. 
The left radius of a large species, imperfect distally ; from 
the Upper Hocene of Vaucluse. 
Bravard Collection. Purchased, 1852. 
The left radius, slightly smaller than, but otherwise similar 
to, the last specimen ; from the Upper Eocene of Vaucluse. 
Bravard Collection. Purchased, 1852. 
The right radius, similar in size to the last, but with a 
squarer proximal articular surface ; from the Upper Eocene 
of Vaucluse. Pomel Collection. Purchased, 1851. 
The left radius, similar in size to the last two specimens, 
-but with the distal articular surface more elongated ; from 
the Upper Kocene of Vaucluse. 
Bravard Collection. Purchased, 1852. 
The right radius, agreeing in size and the form of the proximal 
articular surface with No. 26759; from the Upper Eocene 
of Vaucluse. Bravard Collection. Purchased, 1852. 
The greater portion of the right radius of a smaller form; 
from the Upper Eocene of Vaucluse. 
Bravard Collection. Purchased, 1852. 
Distal two thirds of the radius of a small form; from the 
Upper Eocene of Vaucluse. 
Bravard Collection. Purchased, 1852. 
The bones of the right fore-foot of a medium-sized form ; 
from the Upper Eocene of Vaucluse. 
Bravard Collection. Purchased, 1862. 
The three inner right metacarpals of a larger form; from 
the Upper Eocene of Vaucluse. 
Pomel Collection. Purchased, 1851. 
The left scapho-lunar ; from the Upper Eocene of Vaucluse. 
Pomel Collection. Purchased, 1851. 
The distal half of the femur of a large specimen, in a much- 
erushed condition ; from the Upper Eocene of Vaucluse. 
Bravard Collection. Purchased, 1852. 
