3. MAcarAniA. 285 



1. Helotes sexlineatus. 



Therapon sexHneatus, Quoy 8; Gaim. Voy. Freyc, Poiss. pi. 60. f. 1. 

 Helotes sexlineatus, Cuv. 8f Vol. iii. p. 149. pi. 56 ; Bleek. Natuurk. 



Tydschr. Nederl. Ind. 1851, p. 171 ; Cuv. H^gne Anim. III. Poiss. 



pi. 12. f. 3. 



D. -. A. •^. L. lat. 110. L. transv. 35. Caec. pylor. 15. 



]0 10 -^ •' 



Vert. 10/15. 



The height of the body equals the length of the head, and is 4|^ in the 

 total. Teeth with distinct lobes. Operculum with two short spines, 

 the lower of which is somewhat prominent ; praeoperculum rounded, 

 denticulated. The fifth and sixth dorsal spines longest. Six blackish- 

 brown longitudinal bands on each side. 



Australian Coasts. 



2. Helotes octolineatus. 



Jenyns, Zool. Beagle, Fishes, p. 18. 



1). -. A. J. 



The height of the body is nearly equal to the length of the head, and 

 4^ in the total. Jaws equal. Teeth distinctly three-pointed. Oper- 

 culum with two spines, the lower of which is prominent. Eight 

 blackish-brown longitudinal bands on each side. (Jen.) 



King George's Sound (S. W. Coast of Australia). 



3. Helotes polytsenia. 



Bleeker, Hahnaheira, p. 53. 



D. ^. A. i-. L. lat. 75. L. transv. ii. 



The height of the body is four times in the total length, the length 

 of the head 4^ ; the diameter of the eye is 3i«in the latter. Teeth 

 with rather indistinct lateral lobes. Operculum with two flat, short 

 spines ; praeoperculum rounded nearly throughout, denticulated. The 

 fifth and sixth dorsal spines longest, half as high as the body, the 

 two posterior ones much longer than the two anterior. A black blotch 

 above the lateral line near the nape ; (ten or twelve) brown longitu- 

 dinal bands on the sides. 



Sea of Halmaheira. 



a. Adidt. — It is not without doubt that I refer this specimen to the 

 above species, as it has six longitudinal bands only, and a black 

 blotch on the dorsal. In other points it agrees with Bleeker's 

 description. 



3. MACaUARIA. 



Macquaria, Cuv. ^ Val, v. p. 377. 



Form of the body oblong, compressed ; eye moderate ; cleft of the 

 mouth nearly horizontal, with the jaws equal. One dorsal, with 



