78 PROCEEDINGS OF THE ACADEMY OF [1897. 



This species is most closely related to Pomacentrus jerdoni Day, 

 differing from it in the Dumber of scales and in the anterior outline 

 of head. 



LABRIDJE. 



Iniistius pavo (Cuvier & Valenciennes). 



Xyrichthys pavo Cuv. & VaL, XIV, 61, 1839. 

 Novacula pavo, Giinther, Cat., IV, 175, 1862. 



Recorded by Sauvage. 



DREPANID.SJ. 



Drepane punctata (Gmelin). 



CJuvtodon punctatus Gmelin, p. 1243, 1774. 



Drepane punctata, Giinther, Cat. Fishes, II, 62, 1860 ; Day, Fishes of India, 

 116, 1888. 



Two specimens, 2£ inches long. 



Head 2f ; depth (from origin of dorsal to origin of anal) 1 ; Eye 

 3 in head ; scales 19 or 20-46-34 to 37. D. VIII, 21 ; A. Ill, 18 ; 

 P. I, 16. 



Owing to the differences between young and old individuals, I 

 give the following extended description, which is based on the 

 young : Dorsal with eight movable spines, in front of which is a 

 very rudimentary immovable one set at right angle to the first 

 movable spine (when elevated), and a sharp hidden spine directed 

 forward. Dorsal with a broad, shallow notch separating the two 

 portions. Anal much like soft dorsal but shorter. Ventral of 

 moderate length, its spine reaching about halfway to anal, the rays 

 almost to origin of anal, the filament of first anal ray about to tip of 

 first anal spine. The pectoral does not reach two-thirds of the dis- 

 tance to the caudal. Dorsal and anal scaly ; origin of anal under 

 last dorsal spines. Back in front of dorsal trenchant, five or six 

 rudimentary spines at occiput. Profile from eyes to dorsal almost 

 straight. Eye moderate, its distance from mouth equal to its diam- 

 eter. Opercle as wide as scapular plate, with the suborbital it is 

 two and a half times as high as wide. Lower limb of preopercle 

 with four or five spines, and one at the angle, but upper limb 

 smooth. Nostrils placed one directly in front of the other, the pos- 

 terior being at the margin of the eye. Mouth not projecting beyond 

 the general outline, tip of maxillary below posterior nostril. Teeth 

 of jaws small, imbedded in the gums. Superciliary ridge prominent, 

 finely serrated. Top of head grooved. Gill membranes grown to 

 the isthmus, but forming a fold across it. Lateral line considerably 



