86 THE SNAKES :OF SOUTH AFRICA. 
1. Ps—EuDASPIS CANA. Mole Snake. Zwart Slang; Lui Slang; Molslang. 
Synonyms—Coluber canc; Covronella cana; Coronella phocarum ; 
Duberria cana; Cadmus cunetformis. 
Colour—The young are pale brown above, with dark brown white- 
edged spots forming four longitudinal series; sometimes a 
darker vertebral line; lower parts yellowish or purplish brown, 
uniform or spotted with black. 
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Fic. 37.—Head and neck of the harmless Mole Snake (Pseudaspis cana). 
(From Harmsworth’s Natural History.) 
Adults are very variable in colour, brown or reddish, with 
more or less distinct spots; often uniform dark brown or shiny 
black. 
Average length— 4 feet. These snakes sometimes attain a length of 
over 7 feet. 
Distribution—All over South Africa ; North to Angola and British East 
Africa. 
Genus CHLOROPHIS. 
Four Species in South Africa. 
KEY TO THE SPECIES: 
Ventrals without keels. Two labials entering the 
eye ; sub-caudals 85-107 = = .. Chlorophis hoplogaster. 
Ventrals with distinct lateral keels. Two labials 
entering the eye; a single anterior temporal ; 
sub-caudals 77-114 ac eG Ph .. Chlorophis neglectus. 
