9(3 . GOBiiD.?':. 



13. Sicydiiim balinense. 



Bkeker, Bali, p. 297. 



D. 6 ||. A. y. L. lat. 35. 



Labial teeth none ; both jaws with a series of conical teeth, 

 twenty on each side of the upper jaw, and ten in the lo'wer. The 

 diameter of the eye is contained three and a half times in the length 

 of the head, and equals the width of the interorbital space. The 

 height of the body is one-eighth of the total length. Head and the 

 anterior part of the neck scaleless. The anterior dorsal fin is half 

 as high as the body ; caudal obtusely rounded. Greenish rose- 

 coloured : a violet streak from the eye to the maxillary, a brown 

 band from the head to the tail ; back and sides clouded with 

 brownish ; most of the scales on the sides with a brown crescent- 

 shaped spot ; caudal violet posteriorly. {Bl.) 



Rivers of BoleUng (North Bali). 



11. LENTIPES. 



Sicyogaster, Gill in Proc. Acad. Nat. Sc. Philad. 1860, p. 102 (not 

 Barnev.^. 



Body subcylindrical, naked ; head oblong, depressed, with the 

 cleft of the mouth horizontal ; ejes of moderate size. The lower lip 

 with a series of minute teeth. Both jaws with a single series of 

 teeth ; the anterior ones in the upper jaw tricuspid, those of the 

 lower widely-set. Two dorsal fins, the anterior with six flexible 

 spines ; caudal quite free : ventral fins united to a short semicircular 

 disk, adherent to the belly. GiU-openings of moderate width. 



Rivers of Hilo Hawaii. 



1. Lentipes concolor. 

 Gill, I. c. 



D. 6 I 11. A. 10. 



Purplish. 



Rivers of Hilo Hawaii. 



12. PERIOPHTHALMUS*. 



Periophthalmus, Bl. Schn. p. 03 ; Cm: ^- Val. xii. p. 179. 

 Body subcylindrical, covered with ctenoid scales of smaU or mode- 

 rate size ; head oblong, ^ith the cleft of the mouth nearly horizontal, 

 and with the upper jaw somewhat longer. Eyes very close together, 

 very prominent, with the outer eyelid very weU developed. Teeth 

 conical, in both jaws vertical. Two dorsal fins, the anterior with 

 flexible spines in variable number ; caudal with the lower margin 

 obliquely truncated. A great portion of the base of the pectoral fin 



* 1. Periophthalmus fuscatus, Blyth in Journ. As. Soc. Betiff. 1859, p. 271. — 

 Andaman Islands. 



