PISCES 2h 
Scales.—There are four series of scales on the cheek and some 
larger ones on the opercle. No sheath at the base of the dorsal 
and anal fins, basal half of caudal clothed with scales. Lateral 
line continuous, bent downwards beneath the hinder dorsal rays. 
Fins.—The membrane of the dorsal spines is longer than the 
respective spine, and the anal is similarly formed: caudal 
truncate or feebly rounded, the depth of its peduncle 1.9 in the 
length of the head. 
Colours.—The colour in preservative is purplish, darker above, 
and yellow beneath. The body is ornamented with six dark 
bands, which do not reach the lower edge, the first is close 
behind the head, embracing the tip of the opercle, the last is on 
the caudal peduncle; these dark bands extend on to the dorsal 
fin including the membranes of the spines and rays as follows :— 
First band, spines, 1-4; second band. spines, 5-7; third band, 
spine, 9-ray, 3; fourth band, rays, 5-7; fifth band, rays, 8-11; 
the pectoral has a purple bar across its base and the distal 
two-thirds of the ventrals are black. 
Length.—271 mm. 
This species was taken off Pitt Island, one of the Chatham 
Group, by means of hand lines, during the visit referred to in 
the introduction, p. 53. 
Family SCARIDAL. 
CORIDODAX Giinther, 1862. 
CorIDODAX PULLUS Forster. 
Butter FIsH. 
Plate XLIX and fig. 3. 
Scarus pullus Forster, in Bloch and Schneider, Syst. Ichth., 
1801, p. 288. 
Bevis D. xxue los AU ai eb Pl ob; ©. 12° -— 6, 
Vert. 27 + 19 = 46; L. lat. 80; L. tr. 12 + 32. 
Length of head 4.4; height of body 3.2 and length of caudal 
3.7 in the total: diameter of eye 6.3, interorbital space 2.4 and 
length of snout 3.5 in the head. 
