404 CLXJPEID^. 



tending nearly to the gill-opening. The length of the head is two- 

 ninths of the total (without caudal) ; the diameter of the eye nearly 

 one-fifth of the length of the head. The distance between the ver- 

 tical from the first dorsal ray and the end of the snout is contained 

 thrice and one-fifth in the total length (without caudal). Abdomen 

 not serrated in front of the ventrals. GUI-rakers very fine, closely 

 set ; the longest shorter than the eye ; there are about twenty-six 

 on the lower branch of the outer branchial arch. 

 Sumatra ; Borneo. 



a. One of the typical specimens (120 mm. long). From Dr. Bleeker's 

 Collection. 



B. Anal rays about forty. 



5. Coilia quadragesimalis. 

 Cuv. Sf Val. xxi. p. 83. 



B. 10. D. 15. A. 42. 

 Six pectoral filaments. Maxillary truncated behind, not extend- 

 ing beyond the mandibulary joint. Tail not very low, its depth in 

 front of the caudal fin being one-third of that of the body. ( Vol.) 

 Ganges. 



II. Maxillary extending backwards beyond the head. 



6. Coilia clupeoideS. 



Clupea mystus, L. Amoen. Acad. iv. p. 252. fig. 12 (made from an im- 

 perfect specimen) ; Osbeck, Iter, p. 256. 

 Mystus clupeoides, Lacep. v. p. 467. 

 Chaetomus playfairii, M^ Clell. Calc. Journ. Nat. Hist. iv. 1843, p. 405, 



tab. 24. fig. 3. 

 Coilia playfairii, Richards. Toy. Sulph. Fish. p. 100, pi. 64. figs. 3-4 ; 



Cuv. 8f Val. xxi. p. 86. 

 Engraulis mystus, Cuv. 8f Val. xxi. p. 73. 



Osteoglossum prionostoma, Basil. Nouv, Mem. Soc. Nat. Mosc. x. 1855, 

 p. 244. 



B. 9. D. 13. A. 70-86. L. lat. 58. 

 Six pectoral filaments. Maxillary tapering behind, extending to 

 below the root of the pectorals. The length of the head is rather 

 more than one-sixth of the total (without caudal) ; the diameter of 

 the eye two-ninths of the length of the head. The distance between 

 the vertical from the first dorsal ray and the end of the snout is 

 contained thrice and three-fourths in the total length (without 

 caudal). Serrature of abdomen very conspicuous. GUI-rakers fine, 

 closely set, the longest scarcely as long as the eye ; there are about 

 twen^-four on the lower branch of the outer branchial arch. 

 Chinese Seas. 



a, h, c, d-f, g-k. Adult (190 mm.), half-grown, and young. 



