41. PKI ACANTHUS. 219 



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

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

 sub- and interoperculum Avith excessively fine denticulations. 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 Ik 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. 



fl. Adult: stuffed. Japan. From the Leyden Museum. 



8. Priacanthus hamruhr. 



Scifena hamruhr, Forsk. p. 45. 

 Antbias hamruhr, Bl. Scfui. p. 307. 

 Lutjanus hamruhr, Lacqy. iv. p. 209. 



Priacanthus banu-uhr, Ciiv. (§• Val. iii. p. 104 ; Iiiip2). N. W. Fische, 

 p. 95. 



D. Y^j. A. 1 L. lat. 85. Vert. 9/13. 



Allied to Pr. benmebari. 

 i" 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 slit, four times as long as 

 broad. The angle of the pra3operculum obtuse, vrifh a prominent keel 

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

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

 giiiate ; 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. Eose-eoloured ; fins immaculate, the vertical fins 

 with, a blackish margin. 



Red Sea. 



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



9. Priacanthus caroliims. 



Cm: ^- Val. iii. p. 105 ; Less. Voy. Coq. Zool. Foks. p. 224 ; Sleeker, 

 Baiicld, i. p. 235. 



^■^r ^'^T^.- -L. lat. 85. 



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

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

 angle of tlie pra;operculum obtuse, with a serrated spine of moderate 

 length ; operculum -n-ith a single small spine ; sub- and interoper- 

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

 Caudalis truncated ; the ventral fins reacliing beyond the fii-st anal 

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

 sal and anal fins with numerous black dots. (Bl.) 



Island of Oualand (Carolines) ; Banda Neira. 



