304 



l\Ir. C T, Regan on the Clupeoid Fishes 



Coasts and rivers from Natal to Cliiiin. 



In the yoniig the body is deeper and the head smaller tlian 

 in the adults, the greater lenjitli of the head in the latter 

 being mainly due to the size ot tiie operculum. 



/Sj/iiopsis of the Species. 



I. Parietal ridges expanded and striated. 



A. Depth -Ji to 3 in the leuglh. 



Head 3 to 3? in the length 1. kaiinf/urta. 



Head 3| to 3j in tlie length 2. diabuneiisis, 



B. Depth 2j in the length 3. brachrjsoma. 



II. Pai-ietal ridges narrow, covered by smooth skin. 



A. Maxillary extending to below middle of eye (young) or beyond. 



1. Caudal lobes as long as head. 



Operculum ^ to ^ as broad as deep ; scales 45-48/17-20. 4. ilisha. 

 Operculum § to f as broad as deep ; scales 42-4;"), lG-17. 5. reevesi, 



2. Caudal lobes longer than head. 



Operculum ^ to § as broad as deep ; scales 40/14-15 . . 6. toli. 



B. Maxilhn-y not reaching middle of eye; caudal lobes much longer 



than head ; scales 4o/14-15. 7. macyuia. 



1. IlUsa hanacjiirta. 



Alosa kana</urf(i, Bleek. Verb. Bat. Gen. xxiv. 1852, Ilaringacht. 



p. 34 ; Atl. Ichth. vi. p. 114, Chip. pi. vii. fig. 5 (1872). 

 Alosa maUnjaHa, Bleek. Ned. Tijdschr. Dierk. iii. 186G, p. 294 ; Atl. 



Ichth. vi. p. 114, Chip. pi. vii. tig. 4. 

 Clupea ilisha, Gunth. Cat. Fish. vii. p. 445 (18G8). 

 Cliqx'a Ji-a7in(jurta, Dav, Fish. India, p. 640, pi. clxii. fig. 4 ; Weber & 



Beaufort, Fish. ludo-Austral. Arch. ii. p. 67 (1913). 



De|)th of body 2i to 3 in the length, length of head 3 to 

 3?. Parietal ridges expanded and striated. Snout nearly as 

 lung as or a little longer than diameter of eye, which is 3'| 

 to 4^ in length of head ; maxillary extending to below middle 

 or posterior part of eye ; width ot operculum ^ or less than ^ 

 its depth ; 100 to 150 gill-rakers on lower j)ait of anterior 

 arch. 42 to 45 scales in a longitudinal series, 13 or 14 in a 

 transverse series; ventral scutes 16-18+11-13. Dorsal 

 17-20. Anal 19-22. Pelvics below anterior half of dorsal. 

 Caudal about as long as head. A dark liumeial spot, in the 

 young followed by a series. 



Zanzibar to Malay Archipelago. 



Fifteen examples, up to 220 mm. in total length. 



