418 CARANGID^. 



Lateral line partly sirioolh ; praeoperculum dent icu- 



l*lt«d 2. CARA^JOICIITriYS. 



Lateral line partly smooth ; praffoperculum entire... 3. Cauanx. 

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

 connected by a membrane. 



Body and praorbital very elevated ; the spinous dor- 

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

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



Praorbital of moderate height ; abdomen rounded ; 



teeth villiform ; prifoperculum entire ; finlets none. 0. Seriola. 



Prseorbital of moderate lieight ; praeoperculum den- 

 ticulated ; cleft of the mouth moderately wide ; 

 teeth of the jaws in a single series, rather snaall ... 7. SERroLELLA 



A finlet behind the dorsal and anal fins 8. Seriolichthv.s. 



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



form bands; pncoperculum armed at the angle. . . 0. Natcleiuts. 



Body naked ; cleft of the mouth wide ; praeopercu- 

 lum serrated ; finlets none 10. Portm.meus. 



Jaws with a series of strong teeth 11. Temnodon. 



*** The spinous dorsal formed by isolat<?d spines in 

 small number. 



The posterior rays of the dorsal and anal fins semi- 

 detached, forming finlets ; dermal productions 

 lanceolate 12. C-iiorinesius. 



Finlets none; torehead not prominent; scales mi- 

 nute, rounded 13. Lichia. 



Finlets none ; forehead prominent ; scales very small. 



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



Forehead prominent ; prae- sub- and interoperculum 



serrated , ...*•,... 15. Pammelas. 



Ventrals none 16. Parop.'sis. 



ft. Anal spines continuous with the soft portion, if present. 

 Ventrals rudimentary ,. . 17. Psettus. 



Ventrals well developed ; dorsal spines nearly en- 

 tirely hidden 18. Platax. 



The tliird dorsal spmu very elongate 19. Zanchls. 



Two dorsals ; forehead swollen ; jaws with a series 



of small teeth ". 20. Psexes. 



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 i;.3. Equth.a. 



Mouth very protractile ; upper jaw vdth a pair of 



canines ; tlic lower prseopercular margin serrated. 24. Oazza. 



One or two pairs of strong canines ; praeopercular 



margins entire 2.'). Lactakii's. 



Second group : Kurtiiia. 



Scales of moderate size 20. Pkmphkims. 



Scales exceedingly small 27. Kurtus. 



