640 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [42] 



under last dorsal ray and one at base of pectoral above ; two 

 or three narrow bluish- white stripes across cheek; " three 

 bluish bands across nape" (not shown in our specimen) ; body 

 and fins in life with bright colors which fade in alcohol. 



Maculipinna, 47. 

 gg. Spinous dorsal pale, the black spot very small or wanting ; body 

 slender, the depth 4 in length ; opercle with a conspicuous black 

 spot; a blue-black band from snout through eye and across 

 opercles to base of caudal, not extending on the fin ; a narrower 

 and fainter band from lower base of pectoral to above anal, 

 these bands growing fainter w ith age and sometimes disap- 

 pearing, the lower always wanting in the adult; no axillary 

 spot; no distinct bands across cheek; fins mostly pale, with 

 bright red and blue colors in life, young specimens and deep 

 water specimens often showing a black spot at base of caudal, 

 and sometimes a dark spot near middle of dorsal with some- 

 times a larger one at the base of its last ray ; angles of caudal 

 black in adult ; lower pharyngeals "J"-shaped,the anterior limb 

 very short „ Bivittatus, 48. 



aaa. Caudal fin double-concave, the median portion convex, the outer rays more or 

 less produced in the adult (the fin rounded in the young) ; scales 

 before dorsal in six or seven rows, not crossing the median line. 

 h. A round blue-blacit spot on lateral line below fourth and fifth 

 dorsal spines, the spot larger than eye ; no spot behind eye ; 

 ventrals with the outer ray little produced, not reaching nearly 

 to tips of pectorals ; body rather stout, the depth about 3f in 

 length ; profile steep ; snout moderately pointed ; no axillary 

 spot ; color olive, blue spots on the scales posteriorly, whitish 

 spots anteriorly ; four or five pale blue wavy lines on side of 

 head, the lower broadest; a pale yellowish area behind pec- 

 toral with horizontal blue streaks ; dorsal and anal each with 

 a brown longitudinal stripe ; caudal (in $ ) blackish mesially, 

 with blue streaks ; a white stripe along each outer ray. 



Dispilus, 49. 

 hh. A distinct blue-black spot close behind eye ; ventrals with the 

 outer rays scarcely filamentous, about reaching tij>s of pec- 

 torals. 

 i. Tubes of pores of lateral line distinctly branched, the branches 

 usually three in number ; body moderately slender, the depth 

 a little less than length of head, and 3f to 4 in body; head 

 3| ; snout not very sharp, the anterior profile of head steep and 

 slightly convex; snout 2| in head measured along the axis; 

 eye If in snout; pectoral shortish, If in head; color in spirits, 

 olivaceous, with traces of three darker cross- bands; dark spot 

 behind eye large, with a distinct golden spot above it in some 

 examples; a round black spot at base of last ray of dorsal; 

 fins all pale in spirits, the anal edged with bluish; a bluish cros 



bar on base of pectoral Poeyi, 50. 



ii. Tubes of pores of lateral line all simple or very nearly so, not 

 trifid ; body very slender, the depth much less than length of 

 head, 4£ in body ; head 3| ; snout very sharp, the anterior pro- 

 file of head straightish and not steep ; snout 2£ in head ; eye 

 2 in snout; pectoral moderate, If in head'; color, in spirits, 

 pale, unmarked, except for the small black spot behind eye; 

 in life, olivaceous ; a row of round sky-blue spots along each 



