3. DELrniNus. 251 



14. Delphinus Tethyos. 



Delpliinus Tcthvos, Gcrvais, Bull. Soc. Hermtlt, 185:3, 140. t. 1. f. 14 

 (skull) ; Bull. Sue. Philom. Extr. Proc. Verb. 1853, 23 ; L'Lisiitute, 

 1853, xxi. no. 1001. 85 ; Bull. Sci. Nat. 1853, xx. 289. 



Orca Tethyos, Gerard, Cat. Osteol. Mamm. B. M. 155. 



Inhab. ilcditeiTanean ; Department of Herault (Gervais). 



T\yo specimens of Deljihinus Tetliyos have been taken, one at the 

 mouth of the Orb Herault in 1852, and the other in the vicinity of 

 Port Vendres, Pyrenees Oricntales, of which the skull is in the col- 

 lection of Dr. Pinchenat (Gervais, Comptes Eendus, 28th Nov. 1864, 

 87(5 ; Ann. & Mag. N. 11. 1865, 76). The groove on the side of the 

 palate does not exist in D. Tethyos. 



15. Delphinus Euphros3m.e. Tlie Eujihrosrjne. 

 SkuU round, flattened beliLnd ; nose broad and tapering in front, 

 depressed, flat at the base, shelving on the sides and rounded in the 

 middle above, about half as long again as the head, or three-fifths 

 the entire length, and twice and a half the length of the -width at 

 the notch. Teeth AA^ slender, elongate, shghtly curved, acute. The 

 iutermaxillarics are convex and rounded above, with a wide groove 

 between them for half their length in front. 



Delphinus Euphrosyne, Gray, Cat. Ost. Spec. B. M. 147 ; Zool. Ereb. 



Sf Terror, 40. t. 22 (skull) ; Cat. Cetac. B. M. 1850, 117; Nilsson, 



Skand. Fauna, i. 595. 

 Delpliinus Styx (pars), Gray, Cat. Osteol. Spec. B. 31. 38. 

 Delphinus Ilolbollii, Eschricht, Naturf. mot i Kcipenh. 1847, fide Nil^sm. 

 Delphinus Delphis, Cat. Mus. Coll. Surg. 161. n. 1117, 



Inhab. North Sea. Coast of England. South Atlantic. Near 

 mouth of Eio de la Plata, Mus. Buenos Ayres {Burmeister). 



Skull, ilus. Norwich : — jj^ ^ya 



Length, entire 18 6 



Length of head . 7 4 



Length of nose 11 3 



Length of lower jaw 16 



Length of temple 9 6 



Width at notch 4 6 



AVidth at middle of beak 2 4 



Width at temples 8 3 



a. SkuU, imperfect behind. Specimen figured in ' Zool. Ei'cbus and j^ 



Terror,' t. ined. - i' y'^ ^""-^-j-ip 



This skull only differs from the one at Norwich in being rather V"^/^ 



smaller in all its dimensions. . ,. 



in. Im. 



Length, entire 17 (! 



Length of nose 10 3 



Length of lower jaAV 14 3 



Width at notch 4 3 



Width at orbit 7 6 



Teeth 44-44 



