1(3. NEOMERIS. 81 



Tribe V. PHOC^ENINA. 



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

 angle in front of the blower convex. Teeth compressed. 



14. PHOCiENA. 



Phocasna, Gray, Cat. S. fy W. p. 301 ; Synops. Whales <§■ Dolph. 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. 



Vertebra G4 to 60 :— C. 7. D. 13. L. and C. 44 to 46. 



1. Phocsena communis. 



Phocsena communis, Gray, I. c. p. 302 ; Synops. Whales 8f Dolph. p. 8. 

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



Inhab. North Sea. 



1. Phocsena brachvcium, Cope, Proc. Acad. N. Sc. Phil. 1865, p. 6 ; 1869, 



p. 28. 



Inhab. Harbour of Salem. 



2. Phocsena vomerina, Gill, Proc. Acad. N. S. Philad. 1865 ; Cope, 



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



Inhab. Forth Pacific. The Bay Porpoise. 



15. ACANTHODELPHIS. 



Acanthodelphis, Gray, I. c. 304 ; Synops. WJialcs $r 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. Acanthodelphis spinipinnis. 



Acanthodelphis spinipinnis, Gray, I. c. p. 304; Synops. Whales Sf 



Dolph. p. 8. 

 Phocsena spinipinnis, Burmeister, Annies Mas. Buenos Ai/res, vol. i. 



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



Inhab. Coast of Brazil. 



16. NEOMERIS. 



Neomeris, Gray, I. c. p. 306 ; Synojys. Wludes &; 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. Metacarpal bones 

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



G 



