7. J5ITTR0PIA. 75 



7. Tursio catalania. B.M. 



Tursio catalania, Oray, I. e. p. 262. no. 10 ; P. Z. 8. 1806, p. 215 ; 

 Synops, Whales Sf Dolph. p. 7. 



Inhab. North-west coast of Australia. 

 These skulls are aU very much aUke. 



7. EUTROPIA. 



Eutropia, Gray, I. c. p. 262 ; P. Z. S. 1866, p. 216 ; Synops. Whales 

 8f Jjolph. p. 7. 



Beak of the skull only rather longer than the brain-case. Skull 

 depressed, thick, with the sides rather bent down behind the notch. 

 The beak depressed, broad, rounded on the sides, rather longer than 

 the length of the brain-case ; the intermaxiUaries flat, rather broad. 

 Teeth small, slender, five or six in an inch. 



The skull bears a considerable affinity to the skuUs of Phoccena, 

 Neomeris, Beluga, and Monodon in the bending down of the sides. 



1. Eutropia Dickiei. B.M. 



Eutropia Dickiei, Qray, P. Z. S. 1866, p. 216 ; Synops. Whales Sf 



Boiph. p. 7, t. 34. 

 Tiursio Eutropia, Gray, P. Z. 8. 1862, p. 145 ; Cat. S. 8f W. p. 262. 



no. 9. 



Inhab. South Pacific Ocean, ChUi. 



2. Eutropia Heavisidii. B.M. 



Eutropia Heavisidii, Gray, P. Z. 8. 1866, p. 215 ; Synops. Whales 



8f Dolph. p. 7. 

 Tursio Heavisidii, Gray, Cat. 8. ^ W. p. 263. 

 Cephalorhynchus Heavisidii, Gervais, Ost. CH. tab. 36. fig. 1 (skull). 



Inhab. Cape seas. 



VertebrsB 65 :— C. 7. D. 13. L. 15. C. 30. 



The D. cephalorhynchus of F. Cuvier, judging from the figure of 

 the skull given by Schlegel, appears also to belong to this genus. 



See Stigmatias {Amhlyodon), Cope, Proc. Acad. Nat. Sci. Philad. 

 1866, p. 294. 



Tribe III. LAGENORHYNCHINA. 



Lagenorhynchus, Gray, Cat. S. Sr W. p. 267 ; Gervais, Ostiogr. Cet. 



tab. 36. 

 Lagenorhynchina, Gray, Synops. Whales Sf Dolph. p. 7. 



Head attenuated, beaked. Teeth conical. Beak of the skull as long 

 as the length 'of the brain-case, broad, flat above, edges slightly 

 reflexed and bent up in front of the notch. Nasal triangle elongate. 

 Symphysis of the lower jaw short. 



