500 PLEXmONECTII)^. 



of the body is contained thrice and three-fourths or four times in the 

 total length, the length of the head five times or five times and a 

 quarter. The height of the dorsal and anal fins is one-third of that 

 of the body. Brownish, with darker spots. (Bl.) 



Java, Singapore, and Celebes. 

 ? a. Four and a half inches long. From Dr. P. v. Bleeker's Collec- 

 tion, as Arelia hrachyrhynchtts. — The height of the body of this 

 specimen is contained thrice and a quarter in the total length. 



19. Cjrnoglossus pnncticeps. 



Plagiusa puncticeps, Richards. Ichth. Chin. p. 280. 

 Plagusia javanica, Sleek. Verhand, JBatav. Genootsch. xxiv. Fieuron. 

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



D. 93. A. 71. C. 12. V. 4. L. lat. 90. 



Two lateral lines on the left side, separated at the point of their 

 greatest distance by seventeen or eighteen longitudinal series of scales ; 

 a single lateral line on the blind side. Two nostrils : one between the 

 eyes in front, the other in front of the angle of the lower orbit. Eyes 

 close together, the upper in advance of the lower. Lips not fringed. 

 Head higher than long. The length of the snout is contained twice 

 and three-fourths in that of the head, the angle of the mouth being 

 below the middle of the eye, much nearer to the extremity of the 

 snout than to the gill-opening. The rostral hook terminates behind 

 the symphysis of the mandibles. The height of the body is two- 

 sevenths of the total length, the length of the head one-fifth. The 

 height of the dorsal and anal fins is less than one-fourth of that of 

 the body. Brownish, with irregular dark-brown spots on the head 

 and body : fins light-coloured ; every fourth or fifth ray of the dorsal 

 and anal fins is brown. 



Chinese Seas. East Indian Archipelago. 



a. Four and a half inches long. China. From Dr. Cantor's Collection. 



h, c, d, e, f-g. Adult and half-grown. China. 



h. From Dr. P. v. Bleeker's Collection, as Arelia javanica. 



20. Cynoglossus brevis. 

 D. 95. A. 75. V. 4. L. lat. 96. 

 Two lateral lines on the left side, separated at the point of their 

 greatest distance by seventeen longitudinal series of scales ; a single 

 lateral line on the blind side. Two nostrils : one between the eyes 

 in front, the other in front of the angle of the lower orbit. Eyes 

 close together, the upper shghtly in advance of the lower. Lips not 

 fringed. The length of the snout is contained thrice and a fourth 

 in that of the head, the angle of the mouth being below the middle 

 of the eye, much nearer to the extremity of the snout than to the 

 gill-opening. The rostral hook terminates below the symphysis of 

 the mandibles. The height of the body is contained thrice and a 

 fourth in the total length, the length of the head five times and two- 

 thirds. The height of the dorsal artd anal fins is less than one-fifth 



