550 CONTRIBUTIONS Tn XuKTII AMKKICAN ICHTHYOLOGY IV. 



oblong-elliptical, moderately compressed, not elevated. Mouth mod- 

 crate. without distinct canines. Tongue with a large oval patch of 

 teeth. besides which arc ."> or smaller patches. Nostrils round, near 

 together. I'reopercle lincly serrate, its notch obsolete. Gill-rakers 

 very Ion- and slender. Dorsal spines rather slender; second anal spine 

 a little longer than the third; eandal fin Innate, its lobes not attenuate. 

 II. a. 1 :\.\: depth 3. D. XII, 11; A. Ill, 8; Lat. 1. .~>4. L. 1 foot. West 

 Indies, north to South Carolina and Florida. 



iiti-/ii-ixt< * nitrornhciis Cuv. & Val. iii, !.": Mrxoprinn niirnrnl-iin (iiinllirr, i, '.>(>?: 

 i'--nti-<i]irixt,-x aiirornbi'iiH Sunvr, Mem. Am. A-ail. Aris V >i'i. 1-N5, 2 

 ulna* (.'mult- A liraii, 1'ror. 1". S. Nal. Mu>. l-7'.. 1 



23. POUIADASYS 



(Prixtipoma Cuvier.) 

 (La> -I']H (],. Hivt. Xat. Poiss. iv, 515, 1802: type Sciccna argcntca Forsk.) 



llody oblong or ovate, somewhat compressed, the back elevated or 

 not; mouth small, terminal, low; the maxillary usually not extending 

 t<. opposite the eye, its tip not reaching the posterior ed-e of the broad 



.>rlital: premaxillaries very protractile: teeth on jaws only, in villi- 

 loiin bands, the outer scries usually more or less enlarged; a central 

 yroove behind the symphysis of the lower jaw; branchiostegals 7: 

 cheeks and opercles scaly; preopercle rather finely and evenly serrate; 

 .scales moderate. fc\\. it' any, on the dorsal and anal lins; dorsal spines 



-lly 1L'. strong: ^ill-rakers feeble ; caudal forked. Species numerous 

 in all warm seas; the range of variation in form is very great in this 

 '.M'lms. (-(;>.>/., opereiilum ; <Wt>c, rough.) 



Oater teeth considerably enlarged, canine.like. (<'<ni<>iiu ' c. A V.) 



*<;>. P. BsobilsN (I., i .1. A G. 



I'.ody \\ith S yellowish brown rns bands; doi'sal spines silvers. 

 [.mil rather slender; the head conic, somewhat pointed, the lower jaw 

 jUDJeetin- : mouth modci-ate, low, oblique: a series of short, stout canines 

 outside the usual band of villiform teet h ; preopercle strongly serrate. 

 with t\\o spiuous teetli at the angle, the teeth behind directed upward; 

 chin with a central -roovc; pectorals narrow, not reaching as far as t ips 

 of venirals, alxmt t> vent; second anal spine \ ery long and strong, 

 higher than the soft ra\s; caudal almost truncate. Air-bladder with 



"('iivn-rA \"ali'iiririiii<->. Ili-i . \ l.'.ti: t y|n- < 'ni/n/l/iii aiililld'niix C. A: V.= 



. mi iiliiniii-ri Hlni'li. , COm : 



