38 SEALS. 
the roots of the 3rd grinder rather compressed, simple, with a 
groove on the outer side of the 4th and 5th grinders, scarcely 
enlarged, and divided into two distinct diverging roots. Speci- 
men described No. 3. P. Z. S. 1849, 92. 
d. Skull, without lower jaw, of nearly adult. Greenland. 
Wanting the grinders ; but the cavity for the grinders shows that 
the 4th grinder on both sides had a short clavate root, with a 
slight central groove on the outer side, and the 5th grinder on 
each side had two separate roots. Specimen described No. 5. 
Gray, P. Z. S. 1849, 92. 
e. Skull of a half-grown animal. Greenland. The crown of 
the grinders plaited and tubercular, the 4th grinder on each 
side with ovate, short, simple roots, and the 5th grinder with 
compressed, truncated, simple roots; the grinders are rather 
further apart than in the other skull. Specimen described No. 6. 
P40 52/1849, 92. 
f. Skull of a very young animal. Greenland. The crowns of ~ 
grinders are very distinctly plaited ; the 4th and 5th grinders of 
both sides have two distinct roots, and the 3rd grinder has a ~ 
groove down the middle of the outer side. In all these skulls the 
grinders are close together, forming a nearly continuous line. 
Specimen described, Gray, P. Z. S. 1849, 92. No. 7. 
g. Skull of nearly adult. Greenland. The crown of few 
grinders remaining plaited; the root of the 4th and 5th grinder 
of the left side, as shown by the cavities, divided into two roots ; 
of the 4th grinder of the right side simple, with a slight groove 
on the outer side; and of the 5th grinder two-rooted, like the 
similar grinder on the outer side. Specimen described, Gray, 
PLZ.S. 1849, 92. No.4: 
2. CYSTOPHORA ANTILLARUM. WeEsT INDIAN HOoOoDED 
SEAL. 
Skull, face broad. The outer upper cutting teeth and the 
canines broad, strongly keeled on each side and longitudinally 
plaited with. Fur grey brown, lips and beneath yellow. 
Cystophora antillarum, Gray, Proc. Zool. Soc. 1849, 93. - 
Inhab. West Indies. 
a. Stuffed specimen. West Indies, Jamaica. Mr. Gosse’s 
Collection. 
6. Skull of a very young specimen. The face is broader than 
the skull of C. cristata of the same size. The crowns of the teeth 
are plaited and tubercular. The 4th grinder has only a single 
root, the 5th grinder has two. West Indies, Jamaica. Mr. Gosse’s 
Collection. 
Specimen described, Gray, Proc. Zool. Soc. 1849, 93. 
