FAUNA AMERICANA. 299 



Regn. Anim. p. 351. No. 4. Crantz. Groenl. p. 

 146. Muller. Balleine bossue, Lacep. Erxleb. 



Char. Essent. Five or six protuberances on 

 the back, near the tail ; corneous laminae white. 

 Described by Bonnaterre, loc. cit. > 



Frequents the seas in the vicinity of New En- 

 land. 



HP 



2. Subgenus. Balanopfera, Lacep. 



Possessed of corneous plates, and a dorsal fin. 



Species. 

 1. BalcBna gibbar, Bonnat. Cetolog. Finfisch, 

 Marten's, Spitzb." p. 125. p. 2. Balcena fistula 

 duplici in medio capite, tuber o pinniformi in ex- 

 tremo dorso, Artedi, Gen. 77. Syn. 107. Baleine 

 gibbar, Rondelet, Hist, des poiss. 1. part. liv. 16. 

 ch. 8. Blcena iripinnis, ventre levi, Briss. Regn. 

 Anim. p. 352. No. 5. Balcena physalus, Linn. 

 Erxleb. Gmel. Baleinoptcre gibbar, Lacep. Rist. 

 des Cetacees, p. 114. pi. 1. fig. 2. 



Char. Essent. Jaws pointed and equally pro^ 

 longed; corneous plates short, of a bluish colour; 

 no fold beneath the throat or under the belly ; 

 body brown above, white beneath. 



Dimensions. Length of the body equal that of 

 the B. mysticetus, circumference much less. De- 

 scribed by Bonnaterre, loc. cit. 



F;:equent the frozen Arctic ocean, particularly 



