418 CARANGID^E. 



Lateral line partly smooth ; prreopercuhim denticu- 

 lated 2. Caranoichtiiys. 



Lateral line partly smooth ; prfBoperciilum entire... 3. Caranx. 



** Lateral Une smooth. The spines of the first dorsal 

 connected by a membrane. 



Body and pra-orbital very elevated ; the spinous dor- 

 sal and the anal spines sometimes rudimentary ... 4. Aroyreiosus. 



Prseorbital of moderate height ; abdomen trenchant. 5. Micropteryx. 

 PriEorbital of moderate height ; abdomen rounded ; 



teeth villiform ; prreoperculum entire ; finlets none. 6. Seriola. 



Prseorbital of moderate height ; prajoperculum den- 

 ticulated ; cleft of the mouth moderately wide ; 

 teeth of the jaws in a single series, rather small ... 7. Sbriolella 



A flnlet behind the dorsal and anal fins 8. SERtOLicnTuv.s. 



Cleft of the mouth narrow ; teeth of the jaws in villi- 

 form bands; prKoperculum armed at the angle... 9. Nauclerus. 



Body naked ; cleft of the mouth wide ; prseopercu- 



lum serrated; finlets none 10. Porthmeus. 



Jaws with a series of strong teeth 11. Temnodon. 



*** The spinous dorsal formed by isolated spines in 

 small number. 



The posterior rays of the dorsal and anal fins semi- 

 detached, forming finlets; dermal productions 

 lanceolate 12. Choeinemus. 



Finlets none ; forehead not prominent ; scales mi- 

 nute, rounded 13. Lichia. 



Finlets none ; forehead prominent ; scales very small, 



rounded; ventralsl/5; opercles entire 14. Trachynotus. 



Forehead prominent ; prae- sub- and interoperculiun 



serrated 15. Pammelas. 



Ventrals none 16. Paropsis. 



/3. Anal spines continuous with the soft portion, if present. 



Ventrals rudimentary 17. Psettus. 



Ventrals well developed; dorsal spines nearly en- 

 tirely liidden 18. Platax. 



The tliird dorsal spine very elongate 19. Zanclus. 



Two dorsals ; forehead swollen ; jaws with a series 



of small teeth 20. Psenes. 



Mouth very protractile ; scales spiny 21 . Capros. 



Mouth little protractile ; scales spiny 22. Antigonia. 



Mouth very protractile : scales cycloid ; all the teeth 



equal and very small 23. Equul a. 



Mouth very protractile ; upper jaw with a pair of 



canines ; the lower prseopercular margin serrated. 24. Gazza. 



One or two pairs of strong canines ; prseopercular 



margins entire 25. Lactariu.s. 



Second group : Kurtina. 



Scales of moderate size 26. Pempheris. 



Scales exceedingly small .<< 27. Kurtus. 



