TRICHECHID-a;. 6 



skulls of Otaria juhata [which he brought home] to be those of 

 the Elephant-seal {Morunga elepJiantina), as it was stated by some 

 of the party that these animals formerly did exist on this island. 

 One of the pilots (Louis Despreaux by name) had resided thirty-two 

 years on the Falkland Islands, and he distinctly remembered shooting 

 many Elephant-seals in the neighbourhood in bygone years; but 

 about twelve years ago they began to get scarce and disappear." And 

 further on he observes that they are " now only rarely met with in 

 the Ealklands."— P. Z. JS. 1869, pp. 106 & 109. 



2. Morunga angustirostris. 



Macrorhinus angustirostris, Gill, I. c. p, 13 ; Cope, Proc. Acad, N. Sc. 

 Philad. 1865, p. 51. 



Inhab. California from Cape San Lucas to Point Eeyes. 



Its colour is light brown when the hair is grown to the full length. 

 The males are from 18 to 22 feet long. Females 10 feet long. 

 Canines of the males 4 or 5 inches long. 



13. CYSTOPHORA. 



Cystophora, Gray, Cat. S. 8f W, p. 40 ; Gill, I, c. 



North Atlantic. North Pacific. 



Callocephalus vitulinus. Halicyon Richardi. 



Oallocephalus dimidiatus. Halicyon ? Pealii. 



Pagomys foetidus. Pagophilus ? equestris. 



Pagopbilus groenlandicus. Pagophilus ? ocliotensis. 



Phoca barbata. Phoca naurica. 



Halichoerus grypus. Morunga angustirostris. 

 Cystophora cristata. 



Antarctic Ocean. 



Caspian Sea and Lake Baikal. Lobodon carcinophaga. 



Callocephalus caspica. Leptonyx Weddellii. 



*Pagomys foetidus. Ommatophoca Rossii. 



. . . J . Stenorhynchus leptonyx. 



Iropical Atlantic. Morunga elephantina. 



Monachus tropicalis. Jamaica. 

 Cystophora antillarum. West Indies. 



New Zealand. 

 Stenorhynchus leptonyx. 



Mediterranean and Subtropical 



Atlantic. Australia. 



Monachus albiventer. Stenorhynchus leptonyx. 



Family 2. TRICHECHID^. 



Trichechidse, Gray, Ann. Philosoph. 1825, p. 348; Ann.SfMag.N. 



H. 1869, iv. p. 268. 

 Rosmaridse, Gill, Proc. Essex Inst. v. 1866, p. 11. 

 Trichechina (part.), Gray, Cat. S. 8f W. p. 33, 



Muzzle very broad, truncate, convex, swollen above. Ears with- 

 out any conch. Eyes prominent. Canines very large, exserted. 



