3. DELPHINCS. 241 



fourths the length of the brain-cavity, hut quite as long as compared 

 with the width of the notch. Length, entire, 16^ inches, of beak 

 10|- inches ; width at notch 3 inches ; triangle to the teeth-line 

 rugose. Nose-groove open in front. Teeth j-g-, small, curved. 



This skull resembles Schlegcl's figure of the skull of D. longirostns 

 in general form, but the beak is rather more slender, and the orbits 

 more obliquely truncated in front. 



b. Skidl roundish. Triangle just to the teeth-line. Palate toith a deep groove 

 on each side atul a high central ridge behind. 



• Beak of skull twice as long as tlie brain-cavity. Teeth ||— ff. 

 2. Delphinus longirostris. The Cape Dolphin. 



Black. Dorsal fin large, high. Teeth f f-f§. Nose three-fifths 

 the entire length. SkuU nearly thrice and a half the length of its 

 breadth at the notch. 



Delphis, Gray, P. Z. S. 1864, 237. 



Delpliinus longirostris, Gray, Spic. Zool. 1 ; Brookes, Cat. Mits. 39, 



1828; Cuv. R. A. i. 288, h-om. Dussumier, MSS.\ Schlegel, Ahhandl. 



t. 1, 2, & 4. f. 1, from skull of Brookes; Faun. Japon. t. 24; Grai/, 



List Mamm. B. M. 105 ; Zod. Ereb. 8; Terr. 42; Cat. Cetac. B. M. 



18o0, 25 ; Puclieran, Rev. 8f Mag. Zool. 1856, 315. 

 Delphinus Capensis, Gray, Spic. Zool. ii. t. 2. f. 1 ; not Cuv. nor Raj)j). 



Inhab. Southern Ocean. Cape of Good Hope (Gray). Japan and 

 Ceylon {Schlcffel). Malabar {DiLssuniier), 



a. Stuffed specimen. Cape of Good Hope. Presented by the Trustees 

 of the Royal College of Surgeons. The specimen figured and 

 described in ' Spic. Zool.' and ' Zool. Erebus and Terror.' 



in. 



Length, entire 81 



Length of beak 7 



Length to angle of mouth 13 



Length to blowers 7^ 



Length to dorsal fin 38 



Length to pectoral fin 21 



Length of dorsal 12 



Length of pectoral 13 



Breadth of pectoral 5 



Breadth of tail 26 



Circumference 42 



The figure in the ' Fauna Japonica ' is from a drawing by a 

 Japanese artist, made under Mr. Burger's direction. 



The skull named D.'lonr/irostris in the Pans Museum (n. 4), from 

 Malabar, brought by M. Dussumicr, 1827, has the palate with a deep 

 groove on each side of a central ridge in the hinder half, slightly- 

 keeled behind near the blower ; beak long, tapering ; nasal convex, 

 rounded. Teeth 4f , small, slightly curved ; triangle exactly to the 

 teeth-line. 



