158 PEECID.W. 



Labrus Isevis, Lacep. iii. pi. 23. f. 2. pp. 431, 479. 

 Plectropoma melanoleucimi, Cuv. ^ Veil. ii. p. 388 ; Peters, Wiegm. 

 Arch. 1855, p. 238. 



»-n- A.|. 



PraBoperciiliim with entire posterior margin, and with four or five 

 spinous teeth below; caudalis truncated. Grey, with five black 

 cross-bands. 



Isle de France ; Ibo (Mozambique). 



5. Plectropoma nigrorubrum. 



Cur. Sf Val. ii. p. 402 ; Qiioy iSj- Guim. Voy. Astrol. Poiss. p. G59. 

 pi. 4. f. 1. 



^■Tf^s- ^-f Caec. pylor. 8. 

 Prajoperculum finely serrated behind, and -with two equal and 

 strong spinous teeth below, one of which is placed at the angle. 

 Caudahs truncated. Reddish ycUow, with five black cross-bands. 

 King George's Sound. 



a. Adult: stuff'ed. Sine patria. 



b. Half-grown : stufted. Sine patria. 



6. Plectropoma annulatum. (Plate XI. fig. B.) 

 D. 1^. A. J. L. lat. 50. L. transv. 7/20. 



Prceopercvduni finely seiTated behind, and wth three spinous 

 teeth below, one of which is placed at the angle. Caudahs rounded. 

 Red (?), with six black cross-bands, occupying the whole depth of 

 the body and tail ; sides of the head and nape with three black 

 bands, obliquely descending forwards. 



Hab. ? 



a. Adult. From the Haslar Collection. 



Description of the specimen. — The form of the body is rather 

 elevated, its greatest depth being somewhat more than one-third of 

 the total length; the length of the head (opercular spine included) 

 equals the depth of the body. The snout is moderately pointed and 

 slightly longer than the diameter of the eye. The cleft of the 

 mouth is wide and oblique, the upper maxillary extenchng nearly 

 to below the centre of the eye. The snout is nearly scaleless, the 

 upper maxillaiT and the mandibula exhibiting minute and rudi- 

 mentary scales only ; one-half of the pra^orbital covered with distinct 

 and small scales. The eye is situated high up the side ; the bony 

 margin of the orbit is projecting, especially on the upper half, so 

 that the space of the forehead between the eyes appears concave ; 

 the diameter of the eye is 41 in the length of the head, and much 

 larger than the distance between the eyes. 



All the other parts of the skull are thickly covered with scales ; 

 ^Q. prceopereulum has the posterior hmb finely serrated, one short 

 and obtuse spine at the angle, and two longer ones of equal size at 



