474 OPHIOCEPHALIDJi;. 



9. Ophiocephalus cyanospilos. 

 Sleeker, Sumatra, ii. p. 256. 



D. 42. A. 25. L. lat. 55. 

 Several largo teeth in the lower jaw. The height of the bodj' is 

 contained eight times in the total length, the length of the liead 

 tlu-ee times and three-fourths, the length of the caudal fin five times 

 and a half. The maxillary extends to the vertical from the posterior 

 margin of the orbit. The length of the ventral is two-thirds of that 

 of the pectoral. Greenish-brown, the lower parts clouded with 

 darker and dotted with blue ; fins blackish, ventrals white. (Bl.) 

 Rivers of Telok betoug (Sumatra). 



10. Ophiocephalus striatus. 



Ophiocephalus striatus, £1. tab. 359 ; Bl. Schn. p. 238 ; S/taw, Zool. iv. 



p. 630 ; Cuv. ^- Val. vii. p. 417. pis. 202 & 200 ; Jerdon, 3Iadr. Journ. 



XV. p. 146; Cant. Catal. p. 92; Cuv. Rbgne Anim. III. Poiss. pi. 75. 



fig. 2 ; BleeJi. Verli. Bat. Gen. xxiii., Lahyr. p. 13. 

 Opliiceplialus wralil, Lacep. iii. p. hh'2\Buch. Ham. pp. 00, 367. pi. 31. 



tig. 17; MacCleU. Cole. Journ. Nat. Hist. ii. p. 575. 

 Bu^sell, pi. 162. 



Ophiceplialus chena. Bach. Ham. pp. 02, 367. 

 ? C)pliicepbalus planiceps, Cuv. ^ Val. vii. p. 424. 



D. 40-45. A. 26-27. L. lat. 57. L. transv. j|=^. Vert. 53-55. 



Several large teeth on the side of the lower jaw, those of the 

 palatine bones cardiform. The height of the body is contained nearly 

 seven times in the total length, the length of the head three times 

 and three-fourths, the length of the caudal fin six times ; the width 

 of tho interorbital space is rather more than the extent of the snout, 

 and two-ninths of the length of the head. Cleft of the mouth large, 

 the maxiUai-y extending behind the orbit. There are eight or ten 

 series of scales between the orbit and the angle of the praeoperculum. 

 The pectoral does not extend to the origbi of the anal fin, and its length 

 Ls one-half of that of the head ; the length of the ventral is. three- 

 fourths of that of the pectoral. Brownish-grey (in spirits) on the 

 back and the sides, emitting vertical processes towards the belly, 

 which is while. Dorsal and anal fins sometimes with oblique dark 

 streaks ; frequently some white dots on a black ground on the hind- 

 most part of these fins. 



Fresh waters of the East Indies. 



a. Large specimen : stuffed. Loodianah. From Mr. Griffith's Col- 



lection. 



b, c-f. Adult and young. Ganges. Presented by G. K. Waterhouse, 



Esq. 

 (f. Many half-grown and young specimens. Bengal. From the 



Collection of the East Incha Company. 

 li-h. Adult and half-grown : skins. Sea of Pinang. From Dr. 



Cantor's Collection. 

 /. Adult. Mackas. Presented by T. C. Jerdon, Esq. 



