16. NEOMEEIS. 81 



Tribe V. PHOC^NINA. 

 Lateral wings of the maxilla shelving down over the orbit. Tri- 

 angle in front of the blower convex. Teeth compressed. 



14. PHOCJENA. 

 Phocoena, Gray, Cat. 8. ^ W. p. 301 ; a/nops. Whales ^ JDolph. p. 8. 

 Dorsal fin distinct, in the middle of the back, with a series of small 

 spines on the upper part of its front edge. Teeth all compressed, 

 truncate. 

 Vertebrae 64 to 66 :— C. 7. D. 13. L. and C. 44 to 46. 



1. Fhocsena commtmis. 



Phoceena communis, Gray, I. c. p. 302; 8ynops. Whales ^ Dolph. p. 8. 

 Var. ? Phocsena tuberculifera, Gray, I. c. p. 304. 



Inhab. North Sea. 



1. Phocsena brachycium, Cope, Proc. Acad. iV. Sc. Phil. 1865, p, 6 ; 1869, 



p. 28. 



Inhab. Harbour of Salem. 



2. Phocsena vomerina, Gill, Proc. Acad. N. S. Philad. 1865; C(^e, 



Proc. Acad. N. S. Philad. 1869, p. 13. 



Inhab. North Pacific. The Bay Porpoise. 



15, ACANTHODELPHIS. 

 Acanthodelphis, Gray, I. c. 304 ; Synops. Whales 4r Dolph. p. 8. 

 Dorsal fin distinct, rather behind the middle of the back. Back, 

 in front of the dorsal fin, with a single, and the upper part of the 

 front edge of the dorsal fin with three series of oblong keeled 

 tubercles. Teeth compressed, front one rather conical. 



1. AcanthodelpMs spinipinnis. 



Acanthodelphis spinipinnis, Gray, I. c. p. 804; Synops. Whales ^ 



Dolph. p. 8. 

 Phocsena spinipinnis, Surmeister, Anales Mus. Bttenos Ayres, vol. i. 



t. 23 (animal), 24 (skull). 



Inhab. Coast of Brazil. 



16. NEOMBRIS. 

 Neomeris, Gray, I. e. p. 306 ; Synops. Whales 8r Dolph. p. 8. 

 Dorsal fin none. Head rounded. Teeth compressed, slightly 

 notched in the middle of the crown. Pectoral fin ovate-falcate. 

 The blade bone triangular, with a large coracoid and acromion 

 process. The forearm-bones close together, linear. M^etacarpal bones 

 five, large. The hand rather large ; the second and third fingers 



