SPECIES OF MAMMALIA. 



white; extremities of muzzle, fins, and tail, blackish; a 

 little larger than D, Phocana. 



Dauphin de Commerson, Lacep. 



Icon. 



Habitat. From Cape Horn to the further point of 

 America. 



914. 6. D. Griseus (Gray Dolphin.) Head like the 

 Porpus ; dorsal fin much elevated and pointed ; gray on the 

 upper parts, gradually blending with the white underneath ; 

 two-thirds smaller than the Grampus. 



Dauphin Gris. Delphinus Griseus, Cuv. Rapport sur les 

 Cet. and Ann. du Mus. Schreb. Goldfuss. 

 Icon. Ann. du Mus. torn. xix. 

 Habitat. Taken in the neighbourhood of Brest. 



915. 7. D. G/o^zce/*^ (Round-headed Dolphin.) Summit 

 of the head very convex ; muzzle rounded ; dorsal fin not 

 high, sloped behind ; pectorals long and pointed ; teeth nine 

 to thirteen each side ; blackish gray or shining black. 



D. Globiceps, Cuv. Rapp. sur les Cet. Ann. Mus. Schreb. 

 Goldfuss. 



Icon. Ann. du Mus. Schreb. Goldfuss. 



Habitat. The Atlantic Ocean. 



Obs. D. Ventricosus and D. Rissoanus Siredouhthil. The 

 first the Baron joins to Epaulard. The second he considers 

 as approximating to the first, and of course to Epaulard. 



Sub-genus III. — Delphinapterus (Lacep.) Head ob- 

 tuse ; muzzle not prolonged, beak-formed ; number of teeth 

 middling ; no dorsal fin. 



916. 1. D. Leucas (the Beluga.) Head like the Porpus ; 

 teeth short, blunt, nine on each side in both jaws, the 

 lower oblique from front to back, the upper the reverse ; 



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