CETACEA. ? 119 
very slender, 43 ; palate rather convex ; lower jaw slender ; gonyx 
eeled, short. 
Delphinus Alope, Gray, Zool. Erebus & Terror, t. ined. 
Hab. 2 
a. Skull. ——? Mr. Warwick’s Collection. 
_ Skull: length, entire, 16}; of nose, 10¢; skull, 6; width at 
orbit, 6; at notch, 33; at middle of beak, 2 inches. 
Doubtful species perhaps of this section. 
Pi. DELPHINUS? MICROBRACHIUM. 
Dauphin a petit pectoral, Voy. Pole Sud, t. 21. f. 2; t. 23.4. 7,8, 
not described. 
Hab. South Sea? 
The skull so named in the Paris Museum has the palate flat, 
rather convex —> triangle extended rather in front of the 
teeth-lme. Teeth $§; nose narrowed in front, $ the length and 
23 times the length of the breadth at the notch ; lower j jaw slender 
in front; nasal rather high and convex. May be a Steno. 
2. DELPHINUS DUBIUS. 
Nose pet, ke D. Delphis, but rather shorter; the teeth 
small and sharp, 3$, thin, pointed. 
_D. dubius, Cuv. R. A. i. 288; F. Cuv. Mam. Lith.t.  ; Cetae. 
_ 154; Ann. Mus. xix. 14. 
-Inhab. Coast of France. 
I found three skulls under this name in the Paris Museum. 
4 1. “D. dubius, Cuv. n. 10.” Mus. Paris. 
Skull: length 15°3, of beak 10°0, width at notch 2°9, at middle 
of beak 1°7; teeth $$ or 48; palate flat, rather convex; lower 
jaw flat, obliquely in front and keeled in front beneath. 
2. «TD. dubius, Cuv. n. 2.” Mus. Paris. 
- Skull: length 16°6, of beak 10:0, of teeth- ‘ime 8°6, width at 
Eotch 3°8, at middle of beak 1° 733 teeth 3 az or? 8, small, hooked ; 
_ palate flat, rather convex ; beak ‘tapering in fonts reflexed be- 
_ fore the notch ; intermaxillaries rather convex; triangle extend- 
ing rather in front of the teeth-line, rugose in font 
3. “D. dubius, Cuv. n. 7.” Mus. Paris. 
Skull, from the Cape de Verd: length 16:0, of beak 9:4, of 
teeth-line 7°6, width at notch 3°71, at middle of beak 1°4; teeth 
