10 Mr. J. R. Norman — A. Revision 



part of anterior arch. Scales 50-52/15-16 ; ventral scutes 

 24-27 + 10-13. Dorsal 17-18 ; origin equidistant from end 

 of snout and base of caudal, or-a little nearer former. Anal 

 46-48 ; origin below posterior part of dorsal, or below its 

 last rays ; length of base 2§ to 2| in length of body. Pelvics 

 shorter than eye ; inserted well in front of dorsal ; a little 

 nearer base of pectoral than origin of anal. Vertical dis- 

 tance from upper end of pectoral base to edge of thorax 

 equal to or greater than postocular part of head. 



Malay Archipelago. 



Three specimens, 120-235 mm. in total length, including 

 one of the types of the species. 



14. Ilisha filigera. 



Pellona fili(/era, Ciiv. & Val. Hist. Nat. Poiss. xx. p. 322 (1847) ; Day, 

 Fish. India, p. 648, pi. clxv. fig. 4 (1878). 



Scarcely distinct from the preceding species. Depth of 

 body 3| to 3 J in the length. Diameter of eye 2| to 3i in 

 length of head. 18-19 gill-rakers on lower part of anterior 

 arch. Scales 50/15-16 ; ventral scutes 22 + 10-11. Dorsal 

 17-18. Anal 47-50. 



('oasts of India. 



Three specimens, 55-150 mm. in total length. 



15. Ilisha megaloptera. 



Plafygaster megalopterus, Swainson, Nat. Hist. ii. p. 294 (1839). 

 Pellona dussumieri, Cuv. & Val. Hist. Nat. Pi)iss. xx. p. 31(>, pi. 596 



(1847); Giinth. Cat. Fish. vii. p. 457(1868); Weber & Beaufort, 



Fish. Indo-Austral. Archipelaofo, ii. p. 92 (1913). 

 ? Pellona micropufi^ Cuv. & Val. t. c. p. 320. 

 Pellona leschenaultii (non C. & V.), Bleek. Verb. Bat. Gen. xxiii. 1850, 



Bijdr. M. en 0. Java, p. 11. 

 Pellona russelli, Bleek. Verh. Bat. Gen. xxiv, 1852, Haring. p. 23. 

 Pellona motius (non Ham. Buch.), Giinth. Cat. Fish. vii. p. 456 (1868). 

 Ilisha megalopterus, Bleek. Atl. Ichth. vi. p. 119, Clup. pi. vi. fiff. 6 



(1872). 

 Pellona megaloptera^ Day, Fish. India, p. 645, pi. clxv. fig. 2 (1878). 



Depth of body 3i to 3| in the length, length of head 

 33 to 3|. Ventral profile more convex than dorsal. Snout 

 shorter than diameter of eye, which is 2J to 3| in length of 

 head ; maxillary extending to below middle of eye or a little 

 beyond ; lower jaw strongly projecting. Hidges on head 

 run parallel or diverge a little posteriorly; greatest distance 

 between them 3J^ to 4^ in diameter of eye. 19-21 gill-rakers 

 on lower part of anterior arch. Scales 46-50/14-16 ; ventral 

 scutes 20-23 + 8-10. Dorsal 17-18; origin equidistant from 



