382 



CLUPEIDJ;;. 



Teeth none, or quite rudimentary ; abdominal serrature commencing behind 

 the pectorals 6. Clupeoides, p. 451. 



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



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



B. Anal fia with more than ,30 rays ; dorsal behind 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. Chirocentrodo.\, p. 463. 



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



lower; abdomen neither keeled nor serrated; no osseous 

 gular plate : Dussumteriina. 



Dorsal opposite to ventrals ; teeth none or deciduous. 



12. Spratelloides, p. 464. 

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



13. DUSSUMIBRIA, p. 466. 



Dorsal entirely in advance of ventrals 14. Ethumeus, p. 467. 



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



jecting beyond the lower ; intermaxillary juxtaposed to the 

 upper anterior edge of maxillary : Albtjlina. 



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 ; pseudobranchiae well developed 16. Elops, p. 469. 



Scales large; pseudobranchiae 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. Chanos, p. 473. 



