382 CLUPEID^. 



Teeth none, or quite rudimentary; abdominal serrature commencing behind 



the pectorals 6. Clopboides, p. 451. 



Dentition well developed ; teeth of moderate size 7. Pellonula, p. 452. 

 Canine-like teeth in the jaws 8. Clupeichtiiys, p. 453. 



B. Anal fin with more than 30 raj^s ; dorsal behuid the 

 ventrals or opposite to anal. 



Ventral fins present ; teeth villiform 9. Pellona, p. 454. 



Ventral fins none; teeth villiform 10. Pristigaster, p. 460. 



Ventral fins present ; jaws with canine teeth 11. Chirocentrodon, p. 463. 



IV. Mouth anterior and lateral; upper jaw not overlapping the 



lower; abdomen neither keeled nor serrated; no osseous 

 gular plate : Dussumieriina. 

 Dorsal opposite to ventrals ; teeth none or deciduous. 



12. Si'RATELLOIDES, p. 464. 



Dorsal opposite to ventrals ; teeth small but non-deciduous. 



13. DUSSUMIERIA, p. 466. 



Dorsal entirely in advance of ventrals 14. Etrumevs, ji. 467. 



V. Mouth inferior, of moderate width, toothed: upper jaw: pro- 



jecting beyond the lower ; intermaxillary juxtaposed to the 

 upper anterior edge of maxillary : Albulina. 



Broad patches of coarse granular teeth on the roof and bottom of the mouth. 



15, Albula. p. 468. 



VI. Upper jaw shorter than lower ; abdomen rounded ; an osseous 



gular plate : Elopina. 



Scales small ; pseudobranchije well developed 16. Elops, p. 469. 



Scales large ; pseud-obranchiie none or rudimentary 17- Megalops, p. 471. 



VII. Mouth small, anterior, transverse, toothless ; intermaxillary 

 juxtaposed to the upper anterior edge of maxillary ; ab- 

 domen flat ; gill-membranes entirely united : Chanina. 



Scales small, striated 18. Ciianos, p. 473. 



