210 PERCID.E. 



length of the head ; the upper profile of tlie head is straight, ob- 

 liquely descending, the lower nearly horizontal. Prajoperculuni 

 serrated, not notched ; interopcrcidum with a protuberance. Cau- 

 dalis notched ; pectorals not reaching to the anal fin. Yellowish 

 olive, with about foui'teen bhie longitudinal streaks ; three blue 

 streaks on the cheeks, and a white one on the suborbital ; a black 

 lateral blotch. 

 Caribbean Sea. 



a. Half-groAvn. West Indies. 

 h. Half-gro'wii. West Indies. 



c. Half-grown. West Indies. ' . 



d-f. Young. West Indies. 



43. Mesoprion decussatus. 



Cm: cy Veil. ii. p. 487 ; Blceker, Perc. p. 48. 

 D. |5. A. |. L. lat. 55. 



The height of the body is 85 in the total length, the length of the 

 head 85 ; the diameter of the eye is 4^ in the latter. Jaws equal 

 in front, the upper maxiUary bone reacliing to below the anterior 

 half of the eye. The notch and the knob of the opercles indistinct. 

 Caudalis slightly emarginate ; pectoral just reaching to the front 

 end of the anal ; the third to sLxtli dorsal spines longest ; the second 

 and third of the anal fin nearly equal. Silvery white (in spirits), 

 ^^'ith five straight browTi longitudinal bands, the three upper of 

 which are crossed by six or seven vertical ones. 



Sea of Java ; Philippines. 



n. Adult. Philippines. 



b. Adult. IncUa. 



c. 3|" long. Amboyna. Prom Mr. Frank's Collection as Mesoprion 



chrysotsenia. Young (?) ; with a large lateral blotch. 



II. Species with anomalously armed pnieopercuhim. 



44. Mesoprion retrospinis. 



Ciir. c^ I'al. vi. p. 041. 



/>-n; A.|. 

 The length of the head is 3^ in the total ; the diameter of the eye 

 one-seventh of the length of the head. Prteoperculum without 

 notch, and with foui- or five rather strong teeth beneath ; inter- 

 operculum without knob. Caudalis tnmcated. Uniform yellowish 

 olive. (Val.) 

 West Indies. 



4-3. Mesoprion pomacanthus. 



Bh-t'Jyfr, Ainh'iiKi, vi. p. 407. 



D.-;|._ A.l L. lat. 50. 

 The height of the body is 3^ in the total length, and equal to the 



