SEA-LIONS, AND SEA-BEARS. 21 



The scar of the temporal muscle at the back of the lower jaw is 

 broad and rounded in front. 



Animal, stuffed. 

 Falkland Islands, 



Animal, young male, stuffed. 



Otaria Ilookeri, Sclater, P. Z. S. 18G6, p. 80, fig. 

 Rio de la Plata (^Leconte ; Zool. >Soc.). 



Animal, stuffed, adult. 



335 a. Front of lower jaw of ditto. 



N.W. coast of America. Presented by Capt. Fitzroy. 



335 (?. Skull, with lower jaw, of an old male; length 14| inches, 

 breadth 9| inches ; wanting many teeth. Nose very dilated in 

 front, palate very much contracted behind. Prominence on 

 each side of head. 

 South America. 



The skulls with the lateral tubercles are like the one figured by 

 Cuvier from the cabinet of M. Faujas (Oss. Foss. v. p. 222, t. xviii. 

 fig. 4). Dr. Peters refers this to Otaria leonina. 



335 0. Skull, length 14 inches, breadth 9| inches, without teeth. 

 Very like 335 d. Sixth grinder far back, separated from the 

 fifth by a space. With only left side of lower jaw. 

 Falkland Islands (Leconte). 



335 Z. Skull, with lower jaw ; length 14| inches, breadth 9|-; wanting 

 a few teeth. Very like 335 d and 335 o, with only rudimentary 

 prominences. The sixth upper grinder partly behind the back 

 edge of the front of the zygomatic arch. 

 Falkland Islands (Abbott). 



335 n. Skull, without lower jaw ; length 1 4 inches, breadth 8f inches ; 



with only one large canine tooth ; the sixth grinder with the 



back edge on a level with the back edge of the front of the 



zygomatic arch. 



This has the same dentition as Phoca jubata (Loup marin), lilainv. 



Osteogr. pis. iii. & vi. ; Otaria Godeffroyi, Peters, Monatsb. 1860, p.2G7, 



pi. 1. Dr. Peters refers this latter figure to Otaria jubata. 



335^. Skull, without teeth; length 14| inches, breadth 9 inches. 

 The palate not so much contracted ; the sixth upper tooth sepa- 

 rated from the fifth, and partly behind the back edge of the 

 front of the zygoma ; side of head with tubercles. Only one 

 side of lower jaw. 

 Southern Peru, Lomas, 69, 8, 10, 1, 



Presented by J. M. Dow, Esq. 



335 c. Skull, with lower jaw ; teeth perfect. Length 14 in., breadth 

 9 inches. Palate very deep, slightly contracted behind, with the 

 processes erect ; sides of head with a small tubercle. (PI. XIV.) 

 South America (Arr/ent). 51. 5. 5. 1. 



There are two young skulls in the British Museum with the bones 



