34. CYNOGT.ossrs. 4!i7 



narrow, its width being less than ono-luilf of that of the orbit. Lips 

 not fringed. The angk; of the mouth is somewhat nearer to the gill- 

 opening than to the extremity of the snont ; rostral hook not extend- 

 ing to below the eye. The height of the body is contained four times 

 and three-fourths in the total length, the length of the head four 

 times and two-tifths. Light v'iolet-rose-coloiu'ed, each scale \vith a 

 transverse streak, and with two to four dots of violet colour ; fins 

 with violet dots. 



Batavia. 

 a. Adult. From Dr. P. v. Blceker's Collection. 



11. Cynoglossus sumatrensis. 



Plagusia sumatrana, Bleek. Sumatra, iii. p. 529. 

 .\relia sinnati'ensis, Bleek. Union, p. 185. 



D. 104. A. 77. C. 8-10. L. lat. 70. 

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

 one between the ej'es, the other above the cleft of the month. The 

 widtli of the intcrorbital space is less than that of the orbit. Lips 

 not fringed. The angle of the mouth is nearer to the gill-opening 

 than to the end of the snont ; the rostral hook extends to below the 

 eye. The height of the body is contained four times and a third in 

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

 (xreenish, clouded with browni.sh. (BI.) 



Sumatra (Benkulen). 

 a. Bad state. From Dr. P. v. Blocker's Collection. 



12. Cynoglossus kaupii. 



Arelia kaupii, Bleek. Act.Soc. Sc. Lido-Xederl. vi. Sitmnfra,\n\. p. ";'>. 

 D. 107. A. 82. C. 12. V. 4. L. lat. 75. 



Two lateral lines on each side. Two nostrils : one between the 

 eyes, the other before the angle of the lower orbit. The width of the 

 intcrorbital space equals the diameter of the eye. Lips not fiuibri- 

 ated. The angle of the mouth is rather nearer to tlie gill-opening 

 than to the extremity of the snout ; rostral hook short. The height 

 of the body equals the length of the head, and is contained four times 

 and a third to fom- times and a quarter in the total length. Olive, 

 with numeroiis brownish longitudinal stripes. (Bl.) 



Benkulen. 



Pleitronectes arel, Bl. Schn. p. 159, or Ardio neliimderi. Kaup. /. c, 

 appears to be closelj' allied to this species. 



13. Cynoglossus quadrilineatns. 

 Achirus bilineatus, Lueep. iv. pp. 650, (10.3. 

 Plagusia biliueata, Bii/>p. At/. Fische,y. 123. 



quadriliiioata, B/eek. Tcrhual Bntav. Cleiioofsrh. xxiv. Pleiiron. 



p. 21, ov Natinnk. Ti/dselir. Xeilerl. Iiiil. i. ]\ 412. 

 Arelia quaclrilincntn. A'a^/yj in U'lef/ni. Arrh. 1S.")H, p. 10/. 

 D. 102-112. A. S3-86. C. 10. V. 4. L. lat. 95. 

 Two lateral lines on each side. separate<l in the middle by about 



VOL. IV. 2 K 



