306 Mr. C. T. Regan on the Clupeoid Fishes 



A. Hilsa ilisha. 



Chipanodon ilisha, Ham. Buch. Fish. Gannres, p. 243, pi. xix. fig. 75. 

 Alosa pulasah, Ciiv. & Val. Hist. Nat. Poiss. xx. p. 432 (1847). 

 Clupen 2^cilasah, GLinth. Cat. Fish. vii. p. 44o (1868). 

 Cli(j)ea ilisha, Day, Fish. India, p. 640, pi. clxxii. fig. 3 (1878). 



Depth of body 2^ to 3 in tlie lenotli, lengtli of head 3^ to 

 3|. Parietal ridges narrow, covered vvitli smooth skin iu (he 

 adult fish. Snout as long as or longer than diameter of eye, 

 wiiich is 4| to 7 in the length of head ; maxillary extending 

 to below posterior part of eye or beyond ; width of operculum 

 from a little more than -^ to f of its depth ; 120 (young) to 

 220 gill-rakers on lower part of anterior arch. 45 to 48 

 scales in a longitudinal and 17 to 20 in a transverse series ; 

 ventral scutes 17-19 + 13-14. Dorsal 18-20. Anal 18-21. 

 Pelvic fins below anterior part of dorsal. Caudal fin about 

 as long as the head. Vertebrte 47. 



Persian Gulf to Burma. 



Several specimens, 130 to 350 rtim. in total length. 



5. Hilsa reevesii, 



Alosa reevesii, Richards, Ichth. China, p. 305 (1846). 



Alosa palasah, Richards, t. c. p. 306. 



Clupea reevesii, Giiulh. Cat. Fish. vii. p. 446 (1868). 



Depth of body 3 to 3|- in the lengtli, length of liead 3 to 

 3^. Upper surface of head covered with skin ; no striated 

 bones exposed, except in the young. Snout longer than 

 diameter of eye, which is 5 to 9 in length of head ; maxillary 

 extending to below posterior part or edge of eye, or a little 

 beyond ; width of operculum f or more than | of its depth ; 

 gill-rakers long and slender. 150 (young) to 250 on lower 

 ])art of anterior arch. 42 to 45 scales in a longitudinal, 16 or 

 17 in a trai^sverse series; ventral scutes 18 + 13-14. Dorsal 

 17-18. Anal 18-19. Pelvics below anterior half of dorsal. 

 Caudal fin about as long as the head. 



China. 



Seven examples, 150 to 500 mm. long, from Slianghai and 

 Kiu Kiang. 



6. Hilsa toli, 



Alosn toli, Cuv. & Val. Hist. Nat. Poiss. xx. p. 435 (1847) ; Bleek. 



Atl. Ichth. Ti. p. 113, Clup, pi. viii. fig. 4 (1872). 

 Ahsa ctenolepis, Bleek. Verb. Bat. Gen. xxiv. 1852, Haringacht. p. 32, 

 Clupea toli, Giinth. Cat. Fish. vii. p. 447 (1868); Day, Fish. India, 



p. 641, pi. clxii. tig. 2 (1878); Weber & Beaufort, Fish. ludo- 



Austral. Arch. ii. p. 64 (1913). 

 Clupea chapra, Giinlh. ^. c. 



