L7 
DISTRIBUTION: Eastern South America, from Guyana south to Buenos Aires, 
Argentina, with scattered records in the Amazon Basin and Cerrado of Brasil 
(see figure 1, p. 792, Dixon 1983; figures 5, 6, and 7, pp. 12-14, Gans 
1964). 
SUBSPECIES: Seven. 
l.a Venter with large medial, contrasting yellow and 
black marks from near throat to the anal plate 
panes OE Be a 5 OE Bare Ae eee ee miliaris chrysostomus 
b Venter without checkerboard pattern of yellow and 
black marks, but ventrals may be edged or have a 
suffusion of *dark#Colors ors } sie ecrere hae cine ie eicieie eel ee oes ore ore ere ene 
2.a Ventrals from 163-190 (x= 176.2); dorsum typically 
with dark blotches with light interspaces 
OS ry aT Ta OTIS Ba Oa oo Cee miliaris semiaureus 
b Ventrals <173; dorsum typically unicolored or with 
light centers to each scale, or with dorsal and 
lateral dark blotches separated by dorsolateral 
light lines posteriorly, or with an almost black 
dorsum with light flecks scattered throughout ................ 
3.a Subcaudals >76 or more, juveniles with a pair of light 
nuchal spots, adults uniform brown, each dorsal scale 
witha pale Vight center?s..3 200.5655. .55;3 miliaris amazonicus 
b Subcaudals <68; juvenile pattern variable, but never 
with a pair of light nuchal spots, adults light tan 
to black, with light centered scales, or with light 
flecks, Scattered. EhYOUGHOUES © crciis ] 2 <frieiow RGfe © store behe <ioncdoseyoiere fos <i 
4.a Dorsum light to dark brown, each scale with a light 
center, venter obscurely marked with dark or each 
ventral lightly edged with’ black .. 32... ce sesee os aioe es. « eke 
b Dorsum dark brown to black with scattered flecks of 
white, or with both dorsal and lateral dark blotches 
separated posteriorly by a dorsolateral light line; 
venter uniform white, or marked with black ............--eeee- 
5.a Juveniles with dark-edged gulars; venter marked with 
yellow and black. Adults with or without obscure 
marks on the gulars; dorsum dark brown with obscure 
light centers to each scale; venter with less 
contrasting dark and light marks ........... miliaris miliaris 
5.b Juveniles with white gulars; venter white or ventrals 
edged with black laterally. Adults with white 
venters, but each ventral lightly edged with black 
laterally and black color eventually meeting at the 
midline posteriorly; dorsum of adults brown to dark 
brown with highly contrasting light centers to each 
SCA @ - cieciarecne-ara'e Claes mere erel oaks brcieeos ceo ene miliaris orinus 
