﻿1/2 

 I. 2 — 2V2 scales between L, 1. and ventrals. 



a. L. tr. I . Two anterior transverse and a poste- 



3% 



nor longitudinal band P. laterisiriga p. 179. 



3V2 



b. L. tr. I . A transverse bar across nape, an 



4V2 

 anterior longitudinal band and 5 spots on 



each side P. cverctti p. 180. 



2- 3 — 3V2 scales between L. 1. and ventrals. 



a. 6 transverse bands, the first through eye. 



5V2 scales between L. 1. and dorsal P. hcxazona p. 181. 



b. 5 transverse bands on body only. 5'/2 (6) 



scales between lateral line and dorsal . , . . P. pcntazona p. 182. 



c. 4 transverse bands on body only; 47.2 scales 



between L. 1. and dorsal P. tclrazona p. 183. 



(iJ). With longitudinal bands; 3 — 4 scales between L.l. 



and ventrals p. fasciatus p. 184, 



(f). No transverse bands, a single lateral band may 

 be present, there may be spots. 

 a. Height of caudal peduncle 2'/2 times in head; 



1V2 times in its length; eye 5 P. hnvarcnsis p. 185. 



l>. Height of caudal peduncle + 2 times in head, 



more than i'/2 times in its length; eye 4.6 — 5. P. microps p. 186. 

 c. Height of caudal peduncle I'/.j — 2 times in 

 head, equal to its own length or '/g shorter; 



eye 3-3— 4-5 P- binotatus p. 186. 



B.\^ — 18 scales round caudal peduncle. 



(«). Height 13/^ in length P. plalysoma p. 189. 



(/'). Height more than 2 in length. 



1. L.l. 23 /'. a/ichisporus p. 190. 



2. L.l. 27—34. 



a. 4 lateral black blotches P. elongattis p. 191. 



b. Without lateral blotches. 

 a.. Anal rays 3.5. 



a). Caudal peduncle surrounded by 14 

 scales. 



6 



a. L. tr. I. Seven blackish longitudinal 



streaks on the body P. sirigaitis p. 192. 



5V2-6 



b. L.tr. I . No longitudinal streaks. P. hugucnini p. 193. 



5=572 

 b'). Caudal peduncle surrounded by 16 



scales. 



