3. MArauAKiA. 285 



1. Helotes sexliueatus. 



Therapon sexlineatus, Qim/ ^ Gahn. Voy. Freyc. Poiss. pi. 60. f. 1. 

 Helotes sexlineatus, Cuv. 8f Val. iii. p. 149. pi. 5G ; Week. Natuurk. 



Tydschr. Nederl. Inil 1851, p. 171 ; Cuv. Bkyne Anhn. III. Poiss. 



pi. 12. f. 3. 



D.l?, A.^. L. lat. 110. L. transv. 35. Cjec. pylor. 15. 

 Vert. 10/15. 

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

 total. Teeth -wdth distinct lobes. Opci'cuhim with two short spines, 

 the lower of which is somewhat prominent ; prseoperculum rounded, 

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

 brown longitudinal bands on each side. 

 Australian Coasts. 



2. Helotes octolineatus. 



Jemjns, Zuol. Beagle, Fishes, p. 18. 



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

 4| in the total. Jaws equal. Teeth distinctly three-jwinted. Oper- 

 c\ilum M'ith two spines, the lower of which is prominent. Eight 

 blackish-bro'WTi longitudinal bands on each side. (Jen.) 



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



3. Helotes polytaenia. 

 Bleeker, Halmaheira, p. 5.3. 



D. f^. A. ^. L. lat. 75. L. transv. li. 



The height of the body is foiu- times in the total length, the length 

 of the head 4i ; the diameter of the eye is 3|^ 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 i)ostorior 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. 



o. Adult. — 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, Cm: i^- Val. v. p. .377. 



Form of the body oblong, compressed ; ej^e moderate ; cleft of the 

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



