146 U.S. NATIONAL MUSEUM BULLETIN 2 02 Vol. 2 



Color in alcohol. — Adult (standard lengths of 73 to 163 mm.) 

 background coloration of body brownish, that of head whitish; center 

 of each scale white; head with two white bordered brown streaks 

 curving downward across operculum, one from lower edge of eye to 

 rear corner of preopercle and the other from rear edge of eye across 

 opercle toward base of pectoral; two other white-bordered brown 

 streaks extend obliquely posterodorsally from rear of eye; a white 

 bar on basal half of caudal fin ; distal half barred with brown ; black on 

 membranes between dorsal spines I to III ; dorsal and anal fins barred 

 with brown spots on a white background; tips of anal rays white; 

 base of pectoral fin brown, distally white; a black bar in axil of pectoral; 

 pel vies dark brown; breast whitish. 



The transition from the juvenile color pattern (bifer) to that of the 

 adult occurs at lengths of from about 45 to 60 mm. 



Immature (standard lengths of 38 to 59 mm.) background colora- 

 tion whitish, with about 8 or 9 brown lines, radiating from eye; body 

 with several vertically arranged brown lines; pel vies light brownish; 

 distal half of caudal fin slightly dusky. 



Three specimens, 56 to 59 mm. in standard length, stiU have 9 

 brown lines radiating from eye, the long bannerlike first two dorsal 

 spines, but the scales are outlined with brown lines, the dorsal and 

 anal fins are becoming brownish; pel vies dark brown; base of caudal 

 white, distally brownish. 



A 73 and a 95 mm. specimen have the adult color pattern, except 

 for two extra short brown bars at lower front corner of eye. 



Coloj- when alive. — In adults the head is whitish tinged -with pinkish 

 yellow, the light spots on center of scales are creamy-white; light bar 

 across base of caudal fin wliitish, tinged with yellow; breast pink; 

 light areas on dorsal fin light yellowish white, and light areas on anal 

 whitish; the dark colors are dark brown to blackish; iris orange. The 

 bar in axil of pectoral is black. 



Ecology. — This is an uncommon species and was not taken frequently 

 at any station. It preferred areas of abundant coral and algal growths. 



Remarks. — It should be noted that the series of specimens before 

 me clearly indicates that the juvenile state (described as bifer and 

 kallasoma) changes to the adult taeniourus color pattern at lengths 

 from about 45 to 60 mm. 



Genus HEMIPTERONOTUS Lacepdde 



Hemivteronotus LACEPiiDE, Histoire naturelle des poissons, vol, 3, p. 214, 1802 

 (type species, Hemipieronotus quinque-maculatus hacephde= Coryphaena 

 pentadactylus Linnaeus) . 



