126 CETACEA. 



The figure in the Fauna Japonica is from a drawing by a Ja- 

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



Skull named D. longirostris, 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 blower ; beak very long, very taper- 

 ing ; nasal very convex, rounded; teeth f f, small, slightly curved ; 

 triangle exactly to the teeth-line. 



in. lin. 



Skull: length 2 



of beak 13 9 



width at notch 3 2 



of middle of beak . . 17 



*** SJcutt round; triangle not reaching to the teeth-line ; 

 palate convex, with a very concave line on the hinder 

 part of each side; beak twice as long as head. Teeth fg. 



22. DELPHINUS MICROPS. The SMALL-HEADED DOLPHIN. 

 Skull small, subglobular ; palate convex ; nose very long, slen- 

 der, twice as long as the length of the brain-cavity, nearly four 

 times as long as broad at the notch; intermaxillaries convex above, 

 with a broad cavity between them in front, rather contracted in 

 front of the blowers ; teeth f f j maxillaries very spongy ; the 

 triangle in front of the blowers short, not nearly reaching to the 

 line of the hinder tooth ; palate with a prominent ridge extending 

 along its hinder two- thirds. 



Delphinus microps, Gray, Zool E. fy T. 42. t. 25, skull. 

 Inhab. Coast of Brazils, Dr. Dickie. 



a. Skull ? From the Haslar Hospital. 



The specimen figured in the Voyage of the Erebus and Ter- 

 ror, tab. 25. p. 42. 



Dimensions of five skulls in inches and lines : the 1st is in the 

 Norwich Museum, the 2nd in the British Museum, 3rd, Museum 

 of the College of Surgeons, the 4th, Dr. Dickie's Collection, 5th, 

 in the Edinburgh College, n. 164. 



1. 2. 3. 4. 5. 



in. in. in. in. in. 



Length, entire 17'6 15*6 15'0 18'0 16 



of nose 9-6 11-0 10| 



of teeth-line 8'0 8 '6 



of lower-jaw... 14'9 13'0 12'6 



Width at notch 27 2'6 4'0 3 



at orbits 5'3 6'0 



of middle of beak 2'3 27 1-9 2'3 



of intermaxillaries 8'0 9'0 2'0 



