92 



BAL^ENIDiE. 



intermaxillary bones contract in the middle, and then continue of 

 the same "width in front. The hinder part of the jaw-bones is nearly- 

 perpendicular, and the temporal bones are broad and erect.-^C«y. 

 Oss. Foss. V. t. 25. f. 5-7. 



The foetal skull is shorter, lower, and the hinder part of the jaw- 

 bone is more slanting. — Cuv. Oss. Foss. v. t. 25. f. 1-3. 



Cervical vertebrae all (1-7) anchylosed by the neural arches into 

 one crest. — Ouv. Oss. Fuss. v. 378. 



The baleen is about 6 feet long, elongate triangular, rather rapidly 

 tapering to a fine point. The internal fibres are rather coarse, but 

 much finer than in B. Japonica. 



Balaena australis, Desmotdins, Diet. Class. H. N. ii. 161. t. 140. f. 3 



(foetus) ; Gray, Cat. 3Iamm. B. M. 104; Zool. Ereh. Sf Terror, 15, 



48. t. 1. f. 3 (baleen). 

 Eubalsena australis, Gray, Proc. Zool. Soc. 1 864, 202. 

 Baleiue du Cap, Cuv. Oss. Foss. v. 368. t. 25. f. 1-4 (skull of foetus), 



f. 5-8 (skull of adult), t. 26. f. 7, 11, 13, 23, t. 27. f. 10, 15 (ear- 



boues), 24. 

 Balfena antarctica, Owen, Brit. Foss. Marnm. (not Gray). 

 The Cape Whale, or Eight Whale of South-Sea Whalers, Bennett, 



Narr. Whaliny Voyage, ii. 229. 

 Southern Whalebone Whale, Nunn, Narrat. Favourite, 181. fig. ? 

 Common Black Whale, Ross, Antarctic Voy. i. 169, ii. 327 ? 



Inhab. Sea near the Cape of Good Hope, Delalande. Skeleton and 

 fcetus, Mus. Paris. 



a. Bone of foreann. Capo of Good Hope. 



h, c. Two plates of " South-Sea whalebone." Pacific Ocean? Pre- 

 sented by Messrs. Smith and Simmonds. — The specimens figured 

 in the ' Voyage of the Erebus and Terror,' p. 48. tab. 1. fig. 3. 

 tin if.ifC'-^'^^^ d, e. Two plates of whalebone. Pacific Ocean? 



tihi-U^ ^ f. Sku^Jn(<mp6rfcct), with the i<^er ja^ the jpe^ebraB'-ofHhe^eckT"" 

 lii.cu*'^^^ the riljB^anai;he blade^bonc.'^Cape of Good Hope. 



[w lu - r^^ ^^ ' The atlas, axis, and five cervical vertebrae are united into one by 



• / L- i^^'^ 1^^ their bodies, and all the spinous processes are soldered into one crest, 

 r*"^ ■ L i-"^ Kihs 15 . 15 ; the last four and the first two do not attain the body 



tLi^ ' if^A h of the vertebraj, and are not attached to the transverse apophyses. 



i/'tflkLoa'^^ The fii'st pair is flat and very broad, especially at the sternal end. 



JvJi** w^V '^^^ ^^^^ three are slender and short. Vertebrse 49, viz. nuchal 7, 

 ," ti'^'^ dorsal 15, lumbar and caudal 27. The chevron bones commence on 



the eleventh and twelfth, and end at the twenty-sixth. Tlie spinous 

 processes form a nearly uniform series, inclined forwards. The 

 thumb has two, the index four, the middle finger five, the ring 

 finger four, and the little finger three joints, aU ending in a carti- 

 laginous dilatation. — Cuv. Oss. Foss. v. 379. 



The tympanic bone is subcubical and rugose; the back is much 

 swollen ; the imier edge is protuberant, and forms an angle with 

 the surface nearer the outer margin ; the upper portion is pro- 

 minent and subangular, and separated from the lower portion by- 

 two irregular depressions ; the hinder margin is thick, convex, and 

 rounded ; the lower sui'face is rather tiattencd, with an irregular- 



fto 



