SEALS. 9 
_ Subfamily 1. Stenorhynchina. Cutting teeth +; hind-feet 
nearly clawless ; muffle hairy to the edge and between the 
nostrils ; fore-feet triaugular ; wrist very short. 
Stenorhynchina, Gray, Ann. Phil. 1825, 340; Zool. Erebus & 
Terror. 
* The first, second and third front upper, and the first front 
lower grinders single-rooted, the rest two-rooted. 
1. LoBopon. 
Skull elongate; muzzle elongate; grinders rather compressed, 
with a large lobe in front, and three lobes behind the larger 
central one. 
Head elongate; ear-conch none externally; muzzle broad; 
nostrils ovate, hairy to the edge ; whiskers rigid, tapermg, waved ; 
skull elongate, rather depressed ; muzzle broad, rather produced ; 
orbits moderate: the petrose portion of the temporal bone very 
convex, nearly hemispherical. 
Cutting teeth 4, the upper middle ones moderate, with a 
smaller rather compressed crown, the two others large, conical, 
like the canines; the lower pair small, the two middle ones sub- 
cylindrical, rather mternal, projecting forwards and rounded at 
the end, the outer ones rather larger, blunt ; canines a conical, 
curved, small, the upper largest; grinders =, with large swollen 
roots, the crown triangular, subtrigonal, lobed, lobes rather re- 
Fig. 2. 
Lobodon carcinophaga. Skull and hinder grinder. 
curved at the tip, the larger lobe with one, or sometimes a second, 
small lobe in front, and with three lobes behind; the lst upper 
AO 
