508 SEALK. 



Body oliloiig. coiiiprcssud, llic greatest (le|)l!i al origin nl' dorsal ; caudal 

 jK'duncle ratlier long and slender, its depth 2.hf) in head, its lengtli 1.45. 

 Tipper outline ol' liody more sti'ongly eiirved Ihan lower. Head pointe<l. 

 mouth lai'ge, lower jaw projeeting: eye large, interorhital space slif^htiy 

 convex with two I'idges, which unite into one midway hetween eyes. Tip 

 ol' maxillary extends to a line with |)ii])il. its distal margin concave, its 

 lengrth -i.lO in head. 



dill openings large, extending I'oi'waiil to below pupil, (iill rakers 

 rather slendei- not very pointed, about li) on lowei- lindi. 



Body covered with large smooth scales, cheeks and opercles scaled. 



Origin of dorsal midway lietween middle of caudal peduncle and tij; ol' 

 ol' snout, its second spine the longest, 1.80 in head, last dorsal spine 

 almost as long as tirst ray. the longest ray "2.70 in head : caudal slightly 

 lunate. Origin of ventrals midway between base of caudal and pupil, 

 its second sjiine about two-thirds length of rays, its longest ray 1.75. 

 Origin of ventrals midway between anal and a line with nostril, their tip 

 reaching ahnosl to anal, their length l..")(l in head. Pectorals 1.75 in 

 head. 



Color in life. A bright cardinal red with five silvery longitudinal Hues, 

 the middle one being composed of round silveiy spots. These lines are 

 arranged as follows: the first is from tip of snout through upper pari 

 of eye back to belo\v anterior third of (.lorsal where it unites with the 

 second line, tlie |)ortion of this line on the snout is orange, the remaindei' 

 is silvery; the second line is from posterior of eye to caudal, the portion 

 on the opercle is margined above and below with dusky: the third line is 

 fiom the lower posterior portion of eye to caudal, this line on the opercle 

 is also margined with dusky, and posterior to opercle it is composed of 

 round silvery dots : the fourth line is from maxillai'y below eye to lower 

 margin of opercle, tiiis line is margined with dusky: the fourth line 

 extends from the lower posterior |.)ortion of opercle to the caudal : the 

 fifth line is below this and fotnis the genei'al white coloring of tlic 

 belly, to anal fin. 'i'he fins are all unifonnly red. Top of head with 

 orange strijie from interorhital space along base of dorsals: chin orange, 

 tip of jaws brownish. 



Color in spirits. The bright cardinal fades into dull brownisli, the 

 silver becomes pale yellow, the orange fades into dull yellow, the opercles 

 show a beautiful, ojialesceut bluish reflection, the black on tip of jaw 

 and a black line on snout fade into white: the dusky margins to the 

 stripes on head show more distinctly. Ibc lines on interorhital beiui;- 

 bluish white ending (m nuchal region. A slight black area on middle 

 of caudal base, tins yellowish white. 



Numerous specimens. Typie is No. 5192, from Balabac Island, 10 

 August, 190S. Length, 40 millimeters. 



