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and at the sides ; occipital scale very much enlarged ; fifth toe not extending 
as far as the first, fourth the longest. 
Dry Hart's River, . Dorsal and head scaling as in typical -4. cUstanti ; 
scales on tibia very unequal ; ventrals feebly but distinctly keeled, fifth 
toe does not extend nearly as far as tlie first, fourth toe the longest. 
Genesa, 9 • Third and fourth toes equal on the left foot, fourth the longer 
on the right. 
Genesa, $. Head and body scaling as in A. anchietae; ventral scales 
feebly keeled throughout, feet long and slender, fourth toe the longest. 
Genesa, 9 • Head slightly longer than broad, scales thereon keeled ; toes 
very long and slender; dorsal scaling the same as in specimens from 
Mariannhill ; ventrals smooth. 
Ky Ky, 9 • Enlarged dorsals very few and only slightly enlarged ; small 
scales not mucronate except low down on the sides. This applies to several 
specimens from Ky Ky and neighbourhood. 
Ky Ky, 9 • Scales on upper tibia very unequal ; enlarged dorsals in 
groups somewhat like certain specimens from Pretoria ; head-scales very 
rough. This specimen seems quite close to A. hrachyura, the ear-opening 
is 3-5 mm. on the right side, 2-5 mm. on the left side. 
Eeitfontein, ^ . Dorsal scaling and head-scaling as in A. methueni ; 
enlarged dorsal scales very few and scattered irregularly, smaller ones 
keeled but not mucronate ; tail rounded. 
Ookiep, ^ . On plateau. Scaling throughout as in Kalahari specimens ; 
tail laterally compressed, toes long and slender, fifth not extending quite as 
far as the first ; scaling on tail in distinct whorls. 
Pt. Nolloth, ^ . This was at first placed as A. hrachyura but on further 
consideration it was transferred to A. acideata, though the ear-opening 
(2 mm.) is rather smaller than is usual in the latter species ; fifth toe 
extending as far as the first. 
Liidritzbucht, . Dorsal scaling between A. methueni and A. aculeata, 
no trace of a dorsal crest ; ear opening rather small. 
Liidritzbucht, . Toes rather short and thick, fifth not extending quite 
as far as the first ; scaling like that of Gordonia specimens. 
Liidritz, 9 • Dorsal scaling as in A. acideata (typical) ; head-scales very 
unequal ; head longer than broad, ventrals feebly but distinctly keeled. 
Areb, . Larger dorsal scales only very slightly enlarged, resembling 
A. methueni', head much longer than broad, scales thereon strongly keeled; 
ventrals feebly but distinctly keeled on the chest, under the head and on 
the sides of the abdomen. 
Was serf all, six specimens as follows : (1) . Toes fairly long and 
slender, fifth not reaching first. Head only slightly longer than broad, 
scaling not unlike that of A. methueni. (2) 9 • Head much longer than 
broad, enlarged dorsals scattered, not forming a regular longitudinal series, 
