34. CYNOGLOSStJS. 499 



16. Cynoglossus oxyrhynchus. 



Plagusia oxyrhynchos, Bleek. Verhand.Bdtav.Genootsch.xxix. Pleuron. 



p. 26, or Natuurk. Tydschr. Nedcrl. Ind. i. p. 416. 

 Arelia oxp-hjaichos, Bleek. Enum. p. 185. 



D. 98-105. A. 77-84. V. 4. L. lat. 80-90. 



Two lateral lines on the left side, separated in the middle by thir- 

 teen longitudinal series of scales ; a single lateral line on the blind 

 side. Two nostrils : one between the eyes, and the other above the 

 cleft of the mouth. Eyes snbcontiguous, the upper considerably in 

 advance of the lower. Lips not fiinged. The angle of the mouth 

 is in the middle of the length of the head ; rostral hook short. The 

 height of the body is one-fourth, or rather less than one-fourth, of 

 the total length, the length of the head one-fifth. Brown. 



Java, Borneo, and Amboyna. 



«. Young. From Dr. P. v. Bleeker's Collection. 



17. Cynoglossus bengalensis. 



Plagusia bengalensis, Bkek. Verhand. Batav. Genootsch. xxv. Nahs. 

 Beng. Sf Hindost. p. 152. tab. 6. fig. 3. 



D. 103. A. 80. C. 10. V. 4. L. lat. 90. 



Two lateral lines on the left side, separated in the middle by about 

 thirteen longitudinal series of scales ; a single lateral line on the blind 

 side. Two nostrils : one between the eyes, and the other before the 

 lower angle of the lower eye. Head as long as high. Interorbital 

 space narrower than the orbit ; eyes very small, the upper in advance 

 of the lower. Lips not fringed. The length of the snout is two-fifths 

 of that of the head ; the rostral hook terminates behind the sj-mphysis 

 of the mandibles. The height of the body is two-sevenths, or rather 

 more than one-fourth, of the total length, the length of the head one- 

 fifth. The height of the dorsal and anal fins is rather less than one- 

 fourth of that of the body. Brown, with more or less distinct darker 

 transverse spots. 



Ganges. 



n. Adult. Ganges. Presented by G. R. Waterhouse, Esq. 



b. Adult, Ganges. From the Collection of the Zoological Society. 



f . d-e. Half-grown and young. 



18. Cynoglossus brachyrhynchus. 



Plagusia brachu'h>ncb us, Bhrk. Verhand. Butor. (leu. xxiv. Phuron. 



p. 24, or Natuurk. Tydschr. Nederl. Ind. i. p. 414. 

 Arelia brachp-hynclius, Bleek. Enum. p. 184. 



D. 96-99. - A. 73-75. CIO. V. 4. L. lat. 80-100. 

 Two lateral lines on the left side, one on the right. Two nostrils : 

 one between the eyes, and the other above the cleft of the mouth. 

 Eyes snbcontiguous. the upiier scarcely in advance of tlie lower. Lijis 

 not fringed ; the angle oi' the mouth is nearer to the extremity of 

 the snout than to the gUl-opening ; rostral hook short. Tlic height 



2 k L' 



