PLATE XX 
Scale with setrated keel 
(from side of body) 
1. AtRACTASPIS M I CROLEPl DOTA 
Adult length = (approx.) 540 mm. 
M Head from side 
(/') from above 
(() from below 
UO tail from below 
(subcaudal shields single) 
3. PsAMMOPHis siBiLANS Opisthoglyphous colubrine type) 
Adult length = (approx.) 1500 mm. 
a.=aDtenor nusal 
r. = rostral 
i. =iater-nasal8 
pf. =pr*-frontals 
fr ss; median frontal 
so. =8upra-ocular8 
p. =parietals 
t. = temporal scales 
u 1. =upper labml'i 
u. =uac)al 
1. =loi'eal 
pr. =i'raj-oculiu‘ 
j.o =pr8t-ocuUii H 
L = anterior temporals 
= sympbysial 
1st 11 =l3r6t lower labial 
ch. =chiu shield ^ot 
ante) ior pair) 
