1644 Bulletin //, United States National Museum. 



cc. Head without longitudinal bauds; posterior canines 2 to 4. 



/. Caudal truncate ; 2 series of scales on cheeks, and 2 scales on lower 



preopercular limb; canines 2 or 3 on each side. Color uniform 



violet purple; vertical fins very dark. ARACANGA, 2060. 



ff. Caudal fin lunate, the outer rays more or less jjroduced ; cheeks with 



2^ or 3 rows of scales ; posterior canines 3 or 4 ; color (dried skin) 



plain brownish, the caudal in 1 specimen darker, or paler mesially, 



its border and angles dark. TRISPINOSUS, 2061. 



bb. Cheeks with 4 rows of scales ; angles o f caudal more or less salient. 



g. Color dusky olivaceous, some scales with a rosy blotch at base; dorsal 

 edged with dusky; caudal dark, pale at base, and with pale shades, ita 

 angles little produced ; opercle with blue blotches ; canines 3 ; 4 rows 

 of scales on cheek; snout rather acute; 7 scales before dorsal. 



CUZAMILffl, 2062. 



gg. Color dark sky blue; jaws with bright colors; fins chiefly blue, darker 



on pectoral and front of caudal; middle of dorsal reddish, with blue 



spots ; a red band near the edge of the caudal, 1 on the base of the 



anal and 1 near the upper edge of the pectorals; ventral s mostly red, 



their external border blue; caudal with very salient angles; upper 



jaw with red and blue edgings; snout moderate; 2 (rarely 3) lateral 



canines in upper jaw. Scales brown edged; eye with blue spots 



above and behind; a green band from the angle of the mouth, bor- 



dered above and below by red. Teeth quite small. VETULA, 2063. 



ggg. Color brown, with 2 brown lateral bands. GNATHODUS, 2064. 



CALLIODON (xaAAi's beauty ; ofiou?, tooth): 



aa. Upper jaw without canines; 2| series of scales on cheek. 



h. Third (partial) row of scales of the cheek of 3 or 4 scales , those of the upper 



row little larger than those of the second row *. 

 i. Caudal slightly rounded, its outer rays not produced. 



j. Sides of body with 2 broad dark longitudinal shades; sides of belly 

 each with 3 sharply defined lines, each on a row of scales, these 

 stripes running from the breast to beyond front of ventrals (these 

 lines usually becoming faint or even obsolete in old individuals). 

 k. Stripes on side of breast, if present, whitish. Color dark reddish 

 brown above, paler below ; back dark ; sides with 2 dark par- 

 allel stripes of the color of the back, separated by paler inter- 

 spaces, the upper one extending backward from eye; snout 

 above bluish brown ; a narrow whitish streak running from 

 head along the middle line of belly ; a faint dark spot on base 

 of pectoral ; caudal pale orange red, the outer rays somewhat 

 barred with brown ; dorsal orange, edged with bluish; other 

 fins nearly plain. CROICENSIS, 2065. 



kk. Stripes on side of breast, if present, inky blue. Color bright 

 green, olivaceous above, paler below, the lower half of the 

 body becoming posteriorly more and more yellow, and on the 

 lower half of the caudal peduncle bright light yellow, this 

 color being brightest above front of anal ; longitudinal shades 

 on sides of body bright crimson, separated on the head by a 

 band of green; no spot on base of pectoral; caudal fin green, 

 its lower half yellow ; dorsal, anal, and pectorals green, at 

 least at base; ventrals yellow. EVERMANNI, 2066. 



jj. Sides of body without distinct, broad, darker stripes. Color brown ; 

 no bauds or lines upon body or head; dorsal spotted with violet 

 and edged above and below with yellow, like the caudal; caudal 

 without spots; yellow line near the edge, and another along the 

 base of the dorsal. FLAVOMARGINATUS, 2067. 



* These two characters not verified in Scarus flavomarginatus nor in #. acutus. 



