112 CETACEA. 



upper in front. Skull rather compressed behind. Palate rather 

 concave in front, convex in the centre behind, and the palate 

 keeled on each side. Teeth f f , rather slender, cylindrical, conical 

 at the top. The frontal ridge half the distance between the notch 

 on the convexity of the condyles. Condyles large, rather oblique ; 

 foramen magnum rather wider than high. 



Delphinus Eutropia, Gray, Proc. Zool. Soc. 1849, 1 ; Zoo/. Ere- 

 bus 4* Terror, t. 34, ined. Skull. 



a. Skull. Pacific Ocean. Chili. From Dr. Dickie's Collection. 



in. lin. 



Skull : Length, entire 15 



from notch 610 



beak 710 



teeth-line .. 6 10 



lower jaw 11 11 



Width at notch 3 6 



at orbit 6 5 



at middle of beak 210 



middle intermaxillaries . . 13 



of condyle above 3 3 



Height of each condyle 1 3 



7. DELPHINUS EURYNOME. The EURYNOME. 



Skull roundish ; nose thick, broad, rounded above ; intermax- 

 illaries rather convex, ^ as wide as maxillaries ; nose ^ longer 

 than the length of the head (or 4y of entire length), twice and i 

 the length of the width at the notch; back of blower largely 

 tubercular; teeth ff, moderate, cylindrical, rather curved, acute. 



D. Eurynome, Gray, Cat. Ost. B. M. 143; Zool. E. fy T. 38. 



t. 17, skull. 

 Inhab. North Sea? 



a. Skull. Figured Voy. E. T. t. 17. 



Skull : Length, entire 22 



of head 9 1 



of nose 12 3 



of teeth-line 10 



of lower jaw .... 18 



Width at temples 11 



at notch 5 4 



at middle of beak . 3 6 



The skull of this species is most like D. Tursio, but the nose 

 is ^th longer than the length of the head, slenderer and more 

 rounded, and the teeth smaller. 



