142 BULLETIN 18 0, UNITED STATES NATIONAL MUSEUM 



ish ; a submarginul black line extends across the caudal 

 fin, proximally a light band, then a faint dark trans- 

 verse line; soft dorsal fin with a round black spot, its 

 diameter equal to snout, margin of soft dorsal jet black, 

 including upper edge of long filamentous soft ray, lower 

 margin of this ray white, breaking black margin above 

 black spot, latter sometimes white bordered ; spiny dorsal 

 i' , r blackish posteriorly; dorsal rays XIII, 23 to 26; anal III, 



20 to 22 ; scales about 30 to 34__ Chaetodon auriga Forskfil 

 13&. No black lines running at right angles to other black lines 

 on body. 

 14a. Two black bands or lines extending transversely across 

 caudal fin. 

 15a. Pelvics pale, with black spot between them ; about six 

 curved black stripes on body and two or three on 

 head, the one around mouth and the one through 

 1 eye bordered by white, other bands not white-bor- 



dered; lower jaw black, but lips pale colored; band 

 through eye narrower than eye, passing from nape to 

 breast and ending in a large blackish patch ; a blue 

 band passing from origin of dorsal toward head but 

 ending above head, dorsally this band uniting with 

 another posteriorly near base of second and third 

 dorsal spines and curving downward across preopercle, 

 thence to just above base of pelvics, passing pos- 

 teriorly near base of anal fin; next band beginning 

 at about tenth dorsal spine, running forward along 

 base of dorsal, curving downward below sixth dorsal 

 1 spine across rear edge of opercle and base of pec- 



toraU thence backward and across the caudal 



peduncle, meeting its fellow at posterior angle of soft 



dorsal and on dorsal edge of caudal peduncle ; from 

 below base of about tenth and eleventh dorsal spines 

 a band runs to upper edge of pectoral base ; from 

 last dorsal spines another black band curves back- 

 ward and then forward to behind pectoral fin ; from 

 last dorsal spine a band curves across soft dorsal, 

 thence forward to axil of pectoral fin ; i)ectorals 

 pale ; besides blackish band along base of the anal 

 , there are two submarginal blackish bands, all anal 



, ..: , 1 bands separated by white lines; margin of anal fin 



white ; margin of caudal fin white, then a submar- 

 ginal black band and another across the middle of the 

 ' ; fin ; margin of soft dorsal and anal white, then a 



black submarginal band; dorsal rays XII, 23 or 24; 

 anal III, 19 to 21; scales rows 50 to 55. 



Chaetodon meyeri Bloch 

 15&. Pelvics pale, no spot between them ; about six yellowish 

 bands extending almost horizontally but inclined a 

 little dorsally from head to base of dorsal fin and 

 caudal peduncle ; ventralmost one extends on anal 

 fin ; a blackish ring or band around mouth ; lower 

 ,' jaw black; a black band begins on nape, passes 



through eye (about width of pupil) to isthmus, and 



