DELrniNIIhE. 



sides. Teeth large, f-f or §f . The blower large. Nasal triangle 

 produced considerably before the notch. 



Vertebra 62 :— C. 7. D. 13. L. 17. C. 25. 



Second finger very long ; third shorter. Breast-bone formed of 

 three pieces, linear, dilated in front. 



1. Tursio truncatus. (Figs. 5 & 6.) B.M. 



Tursio truncatus, Gray, I. c. pp. 258, 400. no. 6; P. Z. S. 1866, p. 215, 

 1868, p. 561, figs. 1, 2 ; Synops. Whales $ Dolph. p. 6, (D. tursio) 



Tursiops tursio, Gervais, Osteogr. Cet. tab. 34. figs. 3-9. 



Inhab. North Sea and Mediterranean. Coast of France and Cette 

 {Gervais). 



2. Tursio erebennus. 



Delphinus erebennus, Cope, Pruc. Ac. Nat. So. Philad. 

 Delphinus tursio, Cope, I. c. 1865, p. 199. 



Teeth £| ; premaxillaries forming an elevated rounded ridge. 

 Inhab. Philadelphia. 



3. Tursio Metis. B.M. 



Tursio Metis, Gray, I. c. p. 256. no. 3 ; Zool, Ereb. 8f Ter. t. 18 ; 

 P. Z. S. 1866, p. '215, 1868, p. 362 ; Si/nops. Whales &■ Dolph. p. 7, 

 t. 18. 



Inhab. "West Africa. 



4. Tursio Cymodoce. B.M. 



Tursio Cymodoce, Gray, I. c. p. 257. no. 4 ; Zool. Ereb. § Ter. t. 19 ; 

 P. Z. S. 1866, p. 215 ; Stjnops. Whales $ Dolph. p. 7, t. 19. 



Inhab. River Uragua. Mus. Buenos Ayres. 



5. Tursio abusalam. 



Tursio abusalam, Gray, Cat. Seals 8f Whales, p. 261. no. 7. 

 Tursiops aduncus, Gervais, Osteogr. Cet. t. 34. figs. 1 & 2. 



Inhab. Cape of Good Hope {Gervais) ; Red Sea (Ehrenberg). 

 Rather larger than Tursiops tursio. Teeth acute. 



6. Tursio Eurynome. B.M. 



Tursio Eurynome, Gray, I. e. p. 261. no. 8; Zool. Ereb. $■ Ter. t. 17 ; 

 P. Z. S. 1866, p. 215 ; Synops. Whales # Dolph. p. 7, t. 17. 



Inhab. South Sea ; India ?, Bay of Bengal. 



