470 CARANGID^i. 



3. Nauclerus brachycentrus. 



CuL\ Sf Veil. ix. p. 252. 



D-4|^. A.2|l. 



The height of the spinous dorsal is one-fifteenth only of that of 

 the body. Praeoperculum with a single very short spine at the 

 angle. Body with seven blackish cross-bands, disappearing on the 

 belly; caudal with a band. (Ciiv.) 



Indian Ocean or Molucca Sea. 



4. Nauclerus triacanthus. 



Cuv. (^ Val. ix. p. 253. 



D.3|^. A.2|i 



Praeoperculum with a very short spine at the angle ; the bands on 

 the back disappear on the sides ; caudal with two deep-black spots. 

 (Cm.) 



Atlantic. 



5. Nauclerus annularis. 



Cuv. ^ Val. ix. p. 254. 



D. 41-. A. 2|-. 



I 27 I 14 



Body with six black cross-bands encircling the belly, and united 

 ynth those of the other side ; caudal with a small blackish spot. (Ouv.) 

 Atlantic between St. Helena and the Cape. (Gulf of Bengal.) 



0. Nauclerus leucurus. 



Cuv. ^ Val. ix. p. 255. 



D-5l^. A.2l±. 



The body is higher than in N. comjpressus. Bands of the body 

 narrow; caudal without any spot. (Cuv.) 

 Atlantic between St. Helena and the Cape. 



10. PORTHMEUS. 



Portbmeus, Cuv. ^- Val. ix. p. 255. 



Body oblong, compressed, naked ; cleft of the mouth vidde, with 

 the lower jaw prominent. The two dorsals continuous at the base, 

 and separated by a notch ; no separate finlets ; anal fin with three 

 spines, the two anterior ones rather separate. Lateral line without 

 any armature. Small teeth in the jaws, on the vomer and the pala- 

 tine bones. Praeoperculum serrated. Branchiostegals seven ; aii'- 

 bladder present. Pyloric appendages numerous. 



A genus but little known. From the Indian Ocean and the Cape 

 of Good Hope. 



