1864.) DR. J. E. GRAY ON BRITISH CETACEA. 207 
very long; fingers four, very long, the two middle much the longest 
(Cuv. t. 26. f. 22). Pelvis crescent-shaped (Cuy. t. 26. f. 24). 
The genus may be thus divided :— 
* Blade-bone without any coracoid process ; the body of the cervical 
vertebre oblong, subcircular. North Sea. MeGaprera. 
1. MeEGAPTERA LONGIMANA. 
** Blade-bone with small coracoid process ; the body of the cer- 
vical vertebrae nearly square, with the angles rounded, &c. 
South Sea. Porscopta. 
2. MeGaPTERA LaLaNDU. (Fig. 3.) 
Balena lalandii, Fischer. 
3. MEGAPTERA NOV2Z-ZELANDIZ. (Fig. 4.) 
The tympanic bones very like those of M. longimana, but shorter 
and more swollen, and the periotic bone broad and expanded ; the 
rest of the skeleton, unfortunately, is unknown. 
Hab. New Zealand. 
Fig. 4. 
Ear-bones of Megaptera nove-zelandiez. 
In the British Museum there is a specimen of the bones of the 
ear, with tympanic bones attached, sent from New Zealand by Mr. 
Stuart, which are very like these bones in the Megaptera longimana 
