26 CETACEA. 



l>old coast of Cape St. Lucas, California." Bennett, Whaling 

 Voyage, ii. 232. 



Capt. Sir James Ross observed them as far south as 71 50 ; . 



Professor Eschricht believes the Keporkap of Greenland and the 

 Bermuda Whale is the same species, and that it migrates from 

 Greenland to Bermuda, according to the season ; and he states 

 that he cannot find any sufficient distinction in the skeleton of 

 the Cape specimen in the Paris Museum, to separate it as a spe- 

 cies from the Greenland examples. 



Schlegel considers Balcena longimana of the North Sea, the 

 Rorqual du Cap, and the drawing he received from Japan, as all 

 belonging to a single species, though he owns there are differences 

 between them. 



I am inclined to doubt these conclusions, and have therefore, 

 until we have more conclusive evidence, considered it advisable 

 to regard them as separate; especially as Cuvier's (Oss. Foss. v. 

 38 1 ) description of the union of the lateral processes of the cer- 

 vical vertebra of the Cape specimen is very different from those 

 of the Greenland specimens in the Museum, received from Pro- 

 fessor Eschricht : see Proc. Zool. Soc. 1847, 88. 



1. MEGAPTERA LONGIMANA. JOHNSTON'S HUMP-BACKED 

 WHALE. 



Cervical vertebrae all free. 



Black, pectoral fin and beneath white, black varied ; lower lip 

 with two series of tubercles ; pectoral nearly % the entire length ; 

 dorsal elongate, the front edge over end of pectoral ; throat and 

 belly grooved. 



Female : upper and lower lip with a series of tubercles ; dorsal 

 an obscure protuberance. Johnston, 1. c. t. 1. 



? Balsena musculus, Ascan. Icon. Rer. Nat. iii. t. 26, cop. Bon- 



nat. Get. E. M. t. 371 ; Schreb. Saugth. t. 335. 

 ? Balsena Boops (Keporkak), 0. Fab. Faun. Green. 36? not Linn. 

 Keporkak or Balsena Boops, Eschricht, K. Danske Vind. Sels- 



kabs. Afh. 1845, xi. 239. t. 1 & 3, 4. 

 Kyphobaljena (Boops), Eschricht, Nord. Wallthier. 1849. 

 Balsena longimana, Rudolphi, Mem. Acad. Berl. 1829, 133. 1. 12, 



mas, cop. Brandt and Ratzeburg, t. 15. f. 2. 

 Whale, Johnston, Trans. Newcastle N. H. Soc. i. 6. 1. 1, female 



on back. 



Megaptera longimana, Gray, Zool. E.fyT. 17. 

 Megapteron longimana, Gray, Zool. E. Sf T. 51; Proc. Zool. Soc. 



1847, 89. 

 Inhab. North Sea, mouth of the Maese, Rudolphi. Newcastle, 



Johnston. 



