498 PLEtTEONECTIDJE. 



foiirteen longitudinal series of scales. Two nostrils : one between the 

 eyes, and the other before the lower angle of the lower eye. The 

 upper eye somewhat in advance of the lower. Lips not fimbriated. 

 The length of the snoxit is contained twice and two-thirds in that of 

 the head. The rostral hook just covers the symphysis of the man- 

 dibles. The height of the body is somewhat less than one-fourth of 

 the total length, the length of the head one-fifth. Uniform brownish ; 

 fins yellowish ; a blackish spot on the operculum. 

 East Indian Archipelago. 



a. Fine specimen. Amboyna. Purchased of Mr. Frank. 



14. C3nioglossiis lida. 



Plagusia lida, Bleek. Verhand. Batav. Genootsch. xxiv. Plmron. p. 23, 



or Natuurk. Tydschr. Nederl. Ind. i. p. 413. 

 ? Plagusia polytaenia, Bleek. Sumatra, lii, p. 529. 

 Arelia lida, Bleek, Enum. p. 184. 

 ? Axelia polytaenia, Bleek. Enum. p. 185. 



D. 103-104. A. 82-83. C. 10-12. V. 4. L. lat. 90. 



Two lateral lines on the left side, separated by thirteen series of 

 scales ; one on the right. Ventral not united with the anal. Two 

 nostrils : one between the eyes, and the other above the cleft of the 

 mouth. The upper eye is in advance of the lower ; the width of the 

 interorbital 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 snout ; the rostral hook extends to below the eye. The height 

 of the body is one-fourth or two-ninths of the total length ; the length 

 of the head equals its height, and is two-ninths or one-fifth of the 

 total. Brown. 



Coasts of Java and Celebes. 

 a. Six inches long. From Dr. P. v. Bleeker's Collection. 

 h. Four and a half inches long. From Dr. P. y. Bleeker's Collection, 

 as Arelia poly tcenia. — L. lat. 85. 



15. Cynoglossus bomeensis. 



Plagusia borneensis, Bleek. Act. Soc. Sc. Indo-Nederl. v. Borneo, xii. p. 6. 

 Arelia bomeensis, Bleek, Enum. p. 184. 



D. 112. A. 88. C. 12. V. 4. L. lat. 100. 



Two lateral lines on the left side, a single one on the right. Two 

 nostrils : one between the eyes, and the other above the cleft of the 

 mouth. The diameter of the eye is one-ninth of the length of the 

 head, and two-thirds of the width of the interorbital space. Lips 

 not fringed. The angle of the mouth is in the middle of the length 

 of the head, below the posterior margin of the orbit. The rostral 

 hook does not extend to below the eye. The height of the body is 

 contained four times and two-thirds in the total length, the length 

 of the head five times. Greenish, with three indistinct \dolet lon- 

 gitudinal bands. {Bl.) 



Singkawang. 



