42. PSEtTDOSCARUS. 225 



Upper lip broad, with the inner portion well developed ; jaws whitish ; 

 a strong pointed horizontal tooth at the comer of the upper jaw, 

 and a pair of similar teeth at the corner of the lower. Teeth of 

 moderate size. Dorsal spines subequal in length, stout, with the 

 top flexible ; caudal emarginate ; fourteen pectoral rays. Gi'eyish- 

 oHve above ; the lower parts of the head yellowish, to an oblique line 

 running from the axil through the lower margin of the orbit and the 

 upper lip. A curved yeUow band passes from one eye across the 

 snout to the other ; short streaks radiate from the hinder and upper 

 part of the orbit. The dark-coloured portion of the head edged with 

 yellow and dotted with whitish. Each scale on the body with four 

 or five round whitish dots. A small black ocellus on the scale 

 covering the base of the fourth dorsal spine. Dorsal fin yellowish, 

 with two fine, undulated violet lines, one along the base and the 

 other near the margin ; a series of ocelli along the middle of the soft 

 portion. Anal yellow, with a single line below the middle ; caudal 

 with a yeUow, dark-edged band along each lobe ; pectoral blackish 

 at the root, and with an elongate- ovate dark spot on its upper half. 

 Tahiti. 



a. Fine specimen. From the Collection of the Zoological Society. 



17. PjBeudoscams oviceps, 



Scariis oviceps, Cuv. 8f Val. xiv. p. 244. 



The head is one-third less high than long, and has its profile 

 slightly curved. Jaws without pointed teeth. Caudal lobes much 

 produced. Upper part of the head brownish- violet (in spirits), the 

 lower yellowish, both colours being well defined by a line running 

 from above the upper lip, through the lower margin of the orbit and 

 the angle of the pra^operculum, to the ventrals. Body brownish- 

 violet, with an irregixlar oblique yellowish band between the middle 

 of the dorsal fin and the point of the pectoral ; there is a spot of the 

 same colour on the posterior quarter of the dorsal and on the back. 

 ( Val.) 



Tahiti. 



18. Fseudoscarus psittacus. 



Coryphaena psittacus, Z. Sj/st. Nat. i. p. 448 ; Bl. Schn. p. 20(5. 

 Scania vetula, Bl. Schn. p. 289 ; Our. Sf Val. xiv. p. 193. 



Three series of scales on the cheek, the lowest of which covers the 

 limb of the praeoperculum ; the middle composed of seven scales. 

 Caudal subtruncated. Teeth small. Green : upper part of the head 

 and nape reddish ; a broad yellow band commences immediately 

 above the pectoral, and runs in a slightly oblique upward direction 

 nearly to the middle of the tail ; head with two straight green longi- 

 tudinal bands : the upper round the snout, through the upper margin 

 of the orbit, to the origin of the lateral line ; the lower round the 

 upper lip, through the lower margin of the orbit, to the opercular 

 lobe ; another short transvei-se band round the chin. Dorsal fin 



