3. DELPniNUS. 2-1:1 



fourths the length of the brain-cavity, but 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-lino 

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



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

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

 more obliquely tnincated in front. 



b. Skull roundish. Triangle j\tst to the teeth-line. Palate with a deep groove 

 on each side and a high central ridge behind. 



* £eak of skull twice as long as the brain-cavity. Teeth ||— f g^. 

 2. Delphinus longirostris. The Cape Dolphin. 



Black. Dorsal fin largo, high. Teeth i^-U. Nose three-fifths 

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

 breadth at the notch. 



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



Delphiuus longirostris, Gray, Spic. Zool. 1 ; Brookes, Cat. Mus. 39, 



1828 ; Ciiv. R. A. i. 288, from Dussumier, MSS. ; Schlegel, Abhandl. 



t. 1, 2, & 4. f. 1, from skidl of Bi'ookes; Faun. Japon. t. 24 ; Graif, 



List Mamm. B. M. 105 ; Zool. Ereb. 8,- Terr. 42 ; Cat. Cetac. B. M. 



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

 Delphiuus Capensis, Gray, Spic. Zool. ii. t. 2. f. 1 ; not Cuv. nor Rapp, 



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

 Ceylon {Schlegel). Malabar (Diussuniier). 



a. Stufi'od specimen. Cape of Good Hope. Presented by the Trustees 

 of the lloyal 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. hngirostris in the Paris Museum (n. 4), from 

 Malabar, brought by M. Dussumier, 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 |^, small, slightly curved ; triangle exactly to the 

 teeth-line. 



