114 



CETACEA. 



in. lin. 



Skull : Length, entire 18 6 



of head 8 6 



of nose 10 



of teeth-line . . 79 



of lower jaw ..15 



Width of temple 8 6 



of notch 4 9 



at middle of nose 2 8 



of intermaxillary 1 7 



This skull is very like D. Metis, but much smaller, and the 

 beak more conical. 



*** Beak of skull slender, sub cylindrical. Teeth ff-ff . 

 10. DELPHINUS DORIS. The DORIS. 



Skull roundish; nose depressed, f of the entire length, and 

 2 times the length of the width at the notch, concave behind, 

 rounded on the sides, convex in the middle of the central ridge, 

 flattened in front ; intermaxillaries convex, especially in the middle 

 of their length, with a groove between them in front ; an irregu- 

 lar impression in front of the blower, rather elongate, extending 

 a little before the line of the hinder teeth ; teeth f | or f f , slender, 

 conical, incurved, acute ; lower jaw slender, very obliquely trun- 

 cated ; palate rather convex in front, tapering, shortly grooved 

 behind. 



D. Doris, Gray, Cat. Ost. B. M. 36; Zool Erebus and Terror, 



39. t. 20, skull. 

 Hab. ? 



a. Skull ? 



The specimen figured in the Voyage of the Erebus and Terror, 

 t. 20. 



in. lin. 



Skull : Length, entire 17 4 



of head 7 3 



of nose 10 1 



of teeth-line 9 2 



of lower jaw 



Width at temples 7 9 



at nostrils 4 4 



at middle of beak 2 4 



at intermaxillaries 1 1 



b. Skull. From Haslar Hospital. 



c. Skull. 



