2. EUBAUENA. 



91 



3. Head long ; of adtdt, about one-fourth the entire length. Baleen elongate, 

 broad at the base, with several series of rigid central Jihres, forming a 

 rigid fringe. Enamel thin. 



2. EUBAL^NA. 



Hibs 15 . 15 ; first like the others, single-headed. T5'rapanic bone 

 rhombic, nearly like that of BaJcvna. Head large ; of adult, about 

 one-fourth the entire length. Vertebras 52. 



Eubalaeua, Graii, Proc. Zool. Soc. 1864, 201 ; Ann. S; 3fag. K H. 1864, 

 xiv. 348. 



Skull broad and depressed behind. The frontal bones broad, band- 

 like, transverse (see Cuvier, Oss. Foss. v. p. 375. t. 25. f. 1-4 of young, 

 and f. 5-8 of adult animal). Tympanic bone rhombic, large ; aper- 

 ture oblong, only slightly contracted at the upper end, about two- 

 thirds the length of the bone. 15aleen thick, rather brittle ; enamel 

 thin ; internal fibres numerous, thick, in several layers, rather inter- 

 twined, forming a thick rigid fringe. Cervical vertebrae all imited 

 by the neural apophyses into a single crest (Cuv. op. cit. t. 26. f. 13). 



Fio-. 6. 





Eubaltena Capensi a, jun. Cuv. Oss. Foss. v. t. 25. f. 



2. ^V^'H*^ 



liibs 15 . 15, all simple-headed, the last four pairs not reaching 

 the vertebne. Stenium oblong (Cuv. t. 26. f. 11). Blade-bone flat, 

 rather broader on the upper edge than high, with a prominent acro- 

 mion (Cuv. t. 26. f. 7). Arm-bones short ; forearm-bones very short, 

 scarcely longer than the humerus. Fingers 5, short, the middle 

 longest, the second, first, and fifth successively shorter (Cuv. t. 26. 

 f. 23). Os hyoides (see Cuv. t. 26. f. 14). 



Cuvier observes that the skulls of B. Mtjst'tcetus and B. auMralis 

 differ more from one another than the skulls of the species of Korcjuals ^ 

 (Oss. Foss. V. 375). ^^^^^^ 



t /. 2 

 1. Eiibalaena australis. The Cape Whale. 



Uniform black. Skull convex. The nose of the skull high, 

 straight, and rather suddenly l)ent down in front ; the nose and the 





