346 THE PROCEEDINGS OP THE LINNEAN SOCIETY 



Scarus rivulatoicles, Bleek. Verhand. Batav. Gen. 22, Labr. 

 Cyll., p. 55. 



,, micrognathias, Bleek. 1. c, p. 56. 

 Pseudocarus rivulatus, Bleek. Atl. Ichth., p. 44, tab. 9, fig! 3. 

 Got from the natives at Cape Grenville. 



1 1 4. — PSEUDOSCARUS PLAVOLINEATUS. 



Plate XVI., fig. 3. 



Two series of scales on the cheek— -the lower with six scales, 

 and two scales on the prreopercular limb. Upper lip nearly 

 covering the jaw, which is white. Two horizontal conical teeth 

 on the back part of the upper jaw, and one on the lower. 

 Thirteen pectoral rays. Dorsal spines equal. Colouration, greenish 

 olive towards the back; greenish yellow below, with many undir 

 lating longitudinal yellow streaks about the mouth and forehead. 

 The soft dorsal is spotted with yellow at the base, and has a long 

 ovate brown-edged spot between each ray. Both it and the anal 

 fin have a submarginal dark streak with a pale margin. 



Procured from the aborigines at Cape Grenville. With one or 

 two exceptions all the Labridse of the expedition were got in the 

 same way. 



1 1 5. — PSEUDOSCARUS NUDIROSTRIS. 



plate XVII., fig. 1. 



More elongate than the preceding species. Two series of scales 

 on the cheek, and two scales on the prajojDercular limb. Jaws, 

 whitish, almost entirely uncovered by the lips. No lateral hori- 

 zontal teeth. Fourteen pectoral rays. Dorsal spines equal. 

 Caudal fin subtruncate, a little lobed at the upper angle. Colour- 

 ation, olive above, golden yellow below, with a submarginal dark 

 streak on the soft dorsal and anal fins, and a large brown spot on 

 the upper and lower terminal scale on the tail. 



Hob. Cape Grenville. 



