1348 Bulletin ^7, Ujiitcd States National Museiim. 



c. Preorbital with reti culations of the bluish groTxnd color around bronze spots ; 

 canines of upper javr usually vertical, but sometimes, especially in old 

 examples, directed more or less horizontally forward; body deeper 

 than in otlier species, depth IJ";, to 24 in length; anterior profile not very 

 steep, slightly curved; depth of preorbital less than half head; eye 

 large, dorsal spines strong, the longest 2J to 2i in head ; pectorals a 

 little more than ^ body. Color silvery, the base and center of each scale 

 golden, the edge bluish, these colors forming distinct streaks ; a deep 

 violet streak below eye, not extending on eye or opercle ; preorbital dull 

 violet, this color forming reticulations around brassy spots. 



CALAMUS, 1720. 



CO. Preorbital region, snout, cheek, and opercles braasy, crossed by horizontal, 

 wavy, nonreticulating lines of violet blue, brightest on preorbital and 

 snout ; a sky-blue blotch behind eye over the opercle, extending a short 

 distance on body ; outer canines of upper jaw directed horizontally for- 

 ward, except in the very young, these teeth longer than in C. calamus; 

 anterior profile nearly straight and very steep to the nape, then 

 strongly convex. Color silvery, each scale with a violet spot above 

 and orange spots below; sides with dark crossbands in life, which 

 disappear at death. proeidens, 1721. 



6b. Body more elongate, the depth 2J to 2J in length. 



d. Upper jaw with a strong antrorse canine on each side, as in O. proridens; 

 preorbital with blue, wavy stripes ; preorbital deep ; dorsal high ; pec- 

 toral reaching front of anal; cheeks with blue flexuous lines, anasto- 

 mosing and forming rivulations; spinous dorsal edged with black. 



PENNATULA, 1722. 



4-6 

 dd. Upper jaw without antrorse canines, the anterior teeth strong, g^g, one 



on each side of upper jaw more or less enlarged; body rather oblong, 



tlie snout long and pointed, the anterior profile forming a nearly 



even curve to front of dorsal. Color dull brassy with little blue; a 



faint blue stripe below eye; preorbital dull coppery, usually plain, 



sometimes faintly veined with bluish. Young as in other species, 



with dark crossbands. bajonado, 1723. 



Grammateus {ypaixfxaTev^, a quill pen or instrument for writing) : 



aa. Scales comparatively large, 6 or 7-45 to 52-13 or 14; about 5 vertical rows of scales 



on base of preopergle with about 9 scales entering into the formation of the 



lower margin ; no antrorse canines. 



e. Pectoral fins long, about 3 in body. 



/. Scales of moderate size, 50 to 52 in the lateral line. Body very deep, the 



back elevated, depth about 2 J to base of caudal; longest dorsal spine 



about half head. 



6-8 

 f/. Canines short and strong, about ^-x; preorbital narrow, its least 



width 2§ to 2| in head ; snout short. Body much compressed, the 

 back considerably elevated, the anterior profile steep and regu- 

 larly convex from base of first dorsal spine to point of snout. 

 Color brassy olive, with darker crossbands and few violet marks; 

 preorbital plain brownish; an inky axillary spot. 



BRACHYSOMUS, 1724. 



, , .,.„„ , its least width about 



10 



2i in head. Body moderately compressed, rather elongate, the 



back only moderately elevated, the anterior profile convex to 



eye, thence straight to point of snout. Color smutty silvery, 



with daik crossbands ; blotches on fins ; no black axillary spot. 



LEUCOSTBUS, 1725. 



