4. CAPERKA. 



101 



4. CAPEREA. 



The tympanic bone irregular rhombic, aperture irregular, much 

 contracted at the upper end, and the wide part not half the length 

 of the bolie. 



The scapula, atlas, ribs, and cervical vertebrae not observed. 



Caperea, Gray, Proc. Zool. Soc. 1864, 202 (May 24) ; Ann. ^ Mag. 

 Nat. Hist. l8G4, xiv. 349. 



1. Caperea antipodarum. The New Zealand Wliale. 



Baliicna antipodarum, Gray, Dieffenhach, New Zealand, t. 1. 



Right Whale, Polach, Netv Zealand, ii. 401. 



Balajna autarctica, Gray, Zool. Erebus 8f Terror, Cete, 10. t. 1 ; Cat. 



Cetac. B. M. 1850, 18 ; (not Lesson nor Otven). 

 Balaena Caperea antipodarum. Gray, Proc. Zool. Soc. 1864, 202. 

 Caperea antipodarum, "Gray, Ann. ^ Mag. Nat. Hist. 1864, xiv. 349. 



Inhab. New Zealand ; Jackson Bay. 



Described from a very accurate drawing of a specimen taken in 

 Jackson Bay ; it is very like Tcmminck's figure of B. mistralis, but 

 there is a roundish prominence on the front of the under jaw similar 

 to the one on the nose ; the latter only is figured in that species ; the 

 pectoral fin, as in that species, is about two-sevenths from the chin. 



M. Milne-Edwards informs me that there is a skeleton of this 

 whale in the Paris Museum. 



Fiff. 9. 



Tympanic bones of Caperea antipodarum. 



The tympanic bone oblong, rugulose ; the upper and outer margin 

 thick and rounded ; the lower edge truncated ; the back regularly 

 convex, with a smooth, broad, slightly depressed portion just above 

 the middle. The lower truncated end veiy broad, Avith a regular 

 convexity on the inner half, and keeled on the outer haH' of the upper 



