41. PRIACANTHUS. 219 



The angle of the prseoperculura slightly obtuse, with a flat, rather 

 elongate, serrated spine ; operculum with two very small spines ; 

 sub- and interoperculum with excessively fine denticulationa. Cau- 

 dalis truncated ; dorsal and anal spines very slender, neither rough 

 nor striated ; the last of the dorsal fin hardly longer than the eighth 

 and ninth, and 1^ as long as the second ; the ventral fins reaching 

 to the anal, but shorter than that fin. "Red ; dorsal, anal, and ventral 

 fins paler, with round yellow spots. 

 Japanese Seas. 



a. Adult : stuifed. Japan. From the Leyden Museum. 



8. Priacanthus hamruhr. 



Scisena hamruhr, Forsk. p. 45. 

 Anthias hamruhr, Bl. Schn. p. 307. 

 Lutjanus hamruhr, Lacep. iv. p. 209. 



Priacanthus hamruhr, Cuv. ^ Val. iii. p. 104 ; Riipp. N. W. Fische, 

 p. 95. 



I>-I^5- A- fa- L-lat.85. Vert. 9/13. 



Allied to Pr. benmebari. 



The height of the body is nearly equal to the length of the head, 

 and rather more than one-fourth of the total ; the diameter of the 

 eye is nearly one-third of the length of the head. The posterior 

 opening of the nostrils is a very long sUt, four times as long as 

 broad. The angle of the praeoperculum obtuse, with a prominent keel 

 instead of a free spine ; operculum obtusely serrated, with a very 

 small spine ; sub- and interoperculum ?. Caudalis more or less emar- 

 ginate ; all the anal and dorsal spines slender, smooth ; the rays of 

 the anal fin rough, those of the dorsal smooth ; the last dorsal spine 

 is 1|- as long as the second, the ventrals extending to the front 

 end of the anal. Rose-coloui-ed ; fins immaculate, the vertical fins 

 with a blackish margin. 



Red Sea. 



a. Adult : stuffed. Red Sea. From the Frankfort Museum. 



9. Priacanthus carolinus. 



Cuv. Sf Val. iii. p. 105 ; Less. Voy. Coq. Zool. Poiss. p. 224 ; Bleeker, 

 JBanda, i. p. 235. 



^■tSf, A.j^,. L.lat.85. 



The height of the body is 3i in the total length, the length of the 

 head 3| ; the diameter of the eye is two-fifths of the latter. The 

 angle of the praeoperculum obtuse, with a serrated spine of moderate 

 length ; operculum with a single small spine ; sub- and interoper- 

 culum entire ; the last dorsal spine equal to the diameter of the eye. 

 Caudalis truncated ; the ventral fins reaching beyond the first anal 

 spine. Rose-coloured ; the caudal and the soft portions of the dor- 

 sal and anal fins with numei'ous black dots. (Bl.) 



Island of Oualand (Carolines) ; Banda Neira. 



