ft. Sra/et) smuU. 



(If. ri-(('iipcrc>'/i'/)/ Ti:ith fhr /inter i'nah smuu/h. 



(la. Tcc/h oil thr pataibu^. DovsarfTcucvally vvitli 

 niiii; or elcvoji spines, anal \vi(li (InTo; oi)or- 

 culuni .spiniferous 2(>. Seiu! a n lc. 



/3/3. 1^0 fccfh on the palatines 24. Anypkiiodon. 



fjti. Vrcenpcrculn/n v>fh spinona freth J/eneafh. Kunibor 

 ot''s])iiios of tlic vortical fins variable ; oj)t'rruliua 

 spinii'erous 27. I'LrxTiiopo.M.v. 



IT. Nanther of bnivfJuostcgals vatnihuj bctivccn seven atuJ sl.c. 



A. Tieo (/o)-sffts. Tiie first with nine spines, anal with three. 

 Operculum spiniferous, privoiicreuliini and pr;vorbi(al 

 serrated. Scales small, head covered with scales above. 2. riciicieiirnv.-. 



R. One (hirsal. M'ith ten sjiines, anal with three; oi)crcuIuni 

 with two points, ))r.i()])erculuin witli a single smooth 

 ridge. Scales nsoderale The number of the pyloric 

 appendages increased 51. Guystes. 



III. Sic hranchiostegals. 

 A. All the teeth vUJ'iform 



1. Tivo dorsals. 



a. Scales decidxous. Pra.'operculum with a double denticu- 

 lated ridge ; the fh'st dorsal witli seven, the anal with 

 three spines, a i;ecumbent spine in front of the dorsal, 

 pointing forward 42. A.mbassis. 



//. Scales eulherent. 



" D. U'ith 14 or 15 spines. Operclcs not denticulated; 



operculum with one point 12. Pileom.\. 



^ I), with y spines. Opercles not denticulated ; opercu- 

 lum with one point 13. BOLEOSO.MA 



* D. rvith G spines. Operclcs not denticulated ; opercu- 

 lum with two points 53. IIuKu. 



2. One dorsal. 



a. Scales moderate, finclij or mimiteli/ serrated. 



a. Opcrcidum with a memhranaccous coloured lobe above 

 the angle. 



aa. No teeth on the palatine hones 57. Po.motis. 



bb. Teeth on the palatine hones 50. Bryttu.s. 



ft. Operculum without a memhranaccous lobe. 



aa. The number of the anal spiices variatile, mostli/ more 

 than three. Teeth on the palatine bones and on 

 the tongue; operculum with two Hat points ; priu- 

 operculima scarcely denticulated 55. Centrarcuus. 



bb. Three anal spines. Dorsal with ten spines ; o])cr- 



culiun spiniferous ; prseopcreulum serrated.. 00. Dui.es. 



b. Scales small, ro?\i/h. Chin very prominent, snout covered 



with ctenoid scales, eye large; pneoperculum with )iro- 

 niinent crenulated angle; dorsal with ten, anal witii 

 three spines 41. I'kiacantiu'.s 



