288 FAUNA AMERICAiNA. 



»k 



5. Subgenus. Delphinapteriis, Lacep. 



Head obtuse ; snout not prolonged ; furnished 

 with a moderate number of teeth, but no dorsal 

 fins. 



Species. 



1. Delphinus leucas, Gmel. Whitfish, Ander- 

 son Iceland, p. 251. Oranz, Groenland. p. 150. 

 Muller, Prodr. Zool. Dan. p. 50. Delphinus albi- 

 cans, Otho Fabricius, Faun. Groenl. p. 50. Del- 

 phinus pinna in dorso nulla, Briss. Regn. Anim. 

 p. 374. No. 5. Dauphin beluga, Delphinus albi- 

 cans, Bonnaterre, Encycl. Cetologie, p. 24. No. 6. 

 Delphinapterus beluga, Lacep. Beluga, ShaAv. 

 Huitfish or Epaulard blanc, of the Danes. 



Char. Essent. Head obtuse ; teeth short, 

 blunt, nine in number on each side of both jaws ; 

 the superior directed obliquely backwards ; a 

 small angular eminence takes the place of the 

 dorsal fin ; body, tail and fins, of a uniform yel- 

 lowish-white colour. 



Dimensions, from twelve to eighteen feet. 



Inhabit the north seas, but particularly the 

 straits of Davis. 



6. Subgenus. Heterodon, Blainville. 



Monodon, Fabr. Bonnaterre. Hiperoodo?i and 

 Jlnarnachus, Lacep. Uranodon and »dncylodon, 

 lUig. Epiodon, Rafin. 



