A NEW FOSSIL PACHYDERM. 



271 



also furnished with a small lateral articular face (6). On the pos- 

 terior face of the bone, near the extremity, are two deep fossae 

 (c, c', fig. 23), provided with articular facets for the internal meta- 

 tarsal, which is thus shown to have been posterior, but by no 

 means rudimentary. The lower apophysis is unfortunately want- 

 ing ; but what remains is much longer and more slender than 

 the corresponding part of Sus Scrofa, and shows plainly that the 

 comparatively slender form of the head and humerus was continued 

 even to the feet. 



Measurements of the Fragments. 



Inches. 



Cranium. 



Incisor to centre of canine (figs. 1 

 and 2), .... 



Incisor to anterior edge of 1st pre- 

 molar, .... 



Incisor lo posterior edge of 3d pre- 

 molar, .... 



Centre of canine to anterior edge 

 of 1st premolar, 



Distance between broken extrem- 

 ities of canines. 



Height from palatal plate, opposite 

 1st premolar, to top of nasal 

 arch, 2.43 



Transverse diameter at same point, 1.35 



Transverse distance between inter- 

 nal margins of 2d premolar (cal- 

 culated), .... 



Transverse distance between post- 

 orbital processes of os frontis, 



From last line to middle of poste- 

 rior curve of external surface 

 (being the versed sine of the 

 curve), .... 



Inferior maxilla. 

 Exterior margin of condyle to pos- 

 1.20 terior angle of 3d molar. 



Do. to anterior edge of 2d molar, 

 3.43 Depth of jaw at posterior lobe of 



1st molar, 

 4.40 Do. at anterior lobe of 3d molar, 

 Depth of curve of inferior margin 

 2.10 (measured from a horizontal 



line), .... 



2.05 Depth of concavity of external sur- 

 face, .... 



Inches. 



2.80 

 4.00 



2.20 

 3.00 



1.35 



.30 



Extremities. 

 All the figures are made of the natural 

 size, so that only the following measure- 

 ments are necessary : — 

 1.00 Length of metatarsal (fig. 23), 2.40 

 Breadth of surface {a, f) superi- 

 orly, 30 



Do. inferiorly, . . . .60 



Anterior edge of e to posterior 



of J, 55 



.97 Pointof process (e,e') to cusp {d), .60 



3.20 



