SYNOPSIS OF THE 



colour bluish-gray; seven or eight feet long; greatest 

 circumference three or four ; length of tusks an inch and a 

 half. 



Dugong. Renard poiss. des Indes. Dugong Buff. torn. 

 xiii. Indian Walrus, Pent. Trichecus Dugong, Erxleb. 

 Trichecus Dugong, Gm. Rosmarus Indicus, Bodd., Camper, 

 Raffles. Home, F, Cuvier. 



Icon. Renard, Buff. Cranium, Camper, Tram. Philos. 



Habitat. Indian Seas. 



Obs. The Malays distinguish two varieties, the second 

 shorter and thicker than the first. 



Genus III. — Stellere. Stellerus, Cuv. 



Incisives^; canines ^:g; molars 4-:| = 4. No teeth im- 

 planted, but a molar plate on each side of the jaws, not 

 attached by roots, but by a number of small vessels and 

 nerves; body inflated towards the centre, diminishing 

 gradually to the caudal fin; head obtuse, without distinct 

 neck ; no external ears ; lips double ; a cartilaginous mem- 

 brane to cover the eyes ; palmated fins like the Sea-Tor- 

 toise ; caudal fins very broad, crescented, and pointed at 

 each end ; skin covered by a very thick epidermis, com- 

 posed of serrated tubes, perpendicular to the dermis ; 

 stomach simple. Eats fucus. 



Habitat. The most northern part of the South Sea, 

 western coasts of North America, &c. 



902. 4. Stellerus Borealis (Northern Stellere.) Round 

 head ; no tusks ; twenty-three feet long. 



Manatus, Steller. Trichecus Manatus, Var. Boreal. 

 Gmel. Trichecus Borealis, Shaw. Whale-tailed Manati, 

 Penn. Grand Lamantin du Kamtschatka, Sonnini. 



Icon. ? 



Habitat. See Genus. 



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