8o 



ii. Clupea (Harengula) atricauda Gthr. 



? Clupeonia Commersonii Cuvier & Valenciennes, Hist. Nat. Poissons XX. 1847, 



P- 350'). 

 Harengula melanurus Bleeker, Nat. Tijdschr. Ned. Ind. V. 1853, p. 245, (nee 



Cuvier & Valenciennes). 



Clupea atricauda Gunther, Cat. Brit. Mus. Vil. 1868, p. 426. 

 Clupea (Harengula} atricauda Bleeker, Atl. Ichth. VI. 1872, p. 106. 

 Clupea atricauda Day, Fishes of India 4. 1878 1888, p. 636. 

 ? Clupeonia Commersonii Sauvage, Poissons Madagascar 1891, p. 494. (Syn. p. p.). 

 Harengula commersoni Jordan & Scale, Bull. Bur. Fish. XXV. 1906, p. 186. 

 Clupea atricauda Gunther, Fische d. Stidsee VIII. 1909, p. 381. 



B. 6; D. 1718; A. 1517; P. 1516; V. 8; L.I. circa 

 45; L. tr. 1213. 



Oblong, dorsally and ventrally evenly convex. Height about 

 4, head about 4, eye 3 ! / 3 3 3 / 4 shorter than snout. Maxillary 

 reaches behind first third of pupil. About 7 diverging post- 

 frontal striae. Operculum 2 times as high as broad, suboper- 

 culum square, posterior inferior corner rounded, 2 times as 

 broad as high. Lower corner of praeoperculum rounded. Venules 

 on cheeks, operculum and above and behind it. Dorsal nearer 

 to caudal than to snout, it's origin about the length of the 

 postorbital part of head nearer to snout than to caudal. Length 

 of anal and dorsal both about as long as snout and eye. 

 Pectorals 2 / 3 of head. Ventrals a little longer than postor- 

 bital part of head, their origin nearer to anal than to head. 

 Caudal deeply forked, its base scaled, 4 3 / 4 5 in the total 

 length. Teeth on pterygoids and palatines. Narrow stripe of 

 teeth on tongue posteriorly. Gillrakers 40, longest 3 / 5 of eye, 

 ! / 3 shorter than postorbital part of head. Scales with concen- 

 tric lines, their margin striated, finely irregularly crenulated 

 and with very small round holes. 18 19 prae ventral, 13 post- 

 ventral scutes. Silvery, dark above, on the back indications 

 of darker bands along the rows of scales. Fins hyaline, dorsal 

 and caudal dusky, tips of caudal deep black. Length to 

 about 160 mm. 



Nomen indig. : Lenguru (Puger) ; Bik-hokkoa, Ekor angus 

 (Batjan). Oormetting (Saparua); Biki-hoko (Ternate); Armattin 

 (Ambon). 



i) Probably the same species, but it has after Valenciennes and Sauvage no 

 teeth on palatines and according to the former 13, according to the latter 16 

 dorsal rays. 



