LABRID.E. 493 



diameter 5 in length of head, 1| diain. from end of snout. Teeth 



outer upper tooth on either side recurved. Scales cover lower 

 third of dorsal fin. Colour varies considerably ; it may be brown, 

 marbled and spotted darker ; or green, with black dots on side, 

 red streaks on snout, and oblique brown marks on dorsal and anal 

 fins ; or olive, becoming white below, and nearly every scale with 



Fig. 148.Callyodon viridescens. 



a brick-red centre and white spots. Head and middle of body with 

 scattered red spots having a dark centre. Two or three red lines 

 on head, and a light lateral band from angle of opercle to root of 

 tail. Keddish-yellow spots on dorsal and caudal fins, a black spot 

 between first and second dorsal spines. Anal with a black edge 

 and two red longitudinal bands that coalesce and enclose round 

 white spots ; ventrals white ; pectorals yellow, with a black base. 

 Hob. Red Sea, east coast of Africa to the Andamans. 



20. Genus PSEUDOSCARUS, Bleeker. 

 Syn. Hemistoma, Swainson. 



Branchiostegals five. Body oblong, somewhat compressed. 

 Upper jaw projecting beyond lower ; the upper lip double in its 

 whole extent. Anterior teeth soldered together, arranged in quin- 

 cuncial order ; teeth in inferior pharyngeal bones pavement-like, 

 and the space they cover longer than broad. Dorsal with flexible 

 spines which are fewer than the rays ; anal with two spines, and 

 fewer rays than the soft dorsal. Scales large, two or more rows 

 on the cheeks; large ones at base of caudal fin. Lateral line 

 continuous. 



Geographical Distribution. Tropical Seas. 



Synopsis of Indian Species. 



A. Three rows of scales on the cheeks. 



Caudal lobed, lobes much produced in 



adidts 1. P harid, p. 424. 



Caudal truncated, angles slightly pro- 

 duced in adults 2. P. chnjsopoma, p. 4i'4. 



13. Two rows of scales on the cheeks. 



a. Two scales, below cheek rows, on lower 

 limb of preopercle. 



