DIVISION OPISTHOGLYPHA. 123 
Scales in 17 rows; Ventrals 154-108. 
Preocular narrowly in contact with 
or separated from the frontal. 
Two preoculars ; rostral considerably 
broader than deep, 8 upper labials, 3 
entering the eye Psammophis transvaaliensis. 
Scales in 17 rows; Ventrals 154-198. 9 
upper labials, 2 entering the eye .. Psammophis trigrammus. 
Scales in 17 rows; ventrals 154-198. 9 
upper labials, 3 entering the eye. 
Snout nearly twice as long as broad ; % 
anal divided ; sub-caudals 109-127 ..  Psammophis bocagit. 
Seales in 17 rows; Ventrals 154-198. A 
single preocular; rostral as deep as 
broad or slightly broader than deep ; 
two labials entering the eye. Frontal, 
in the middle, narrower than the sup- 
raocular ; sub-caudals 90-116 .. Psammophis sibilans. 
Scales in 17 rows; Ventrals 154-198 
Frontal in the middle nearly as broad 
as the supraocular; sub-caudals 64-95 Psammophis brevirostris. 
Scales in 15 rows. Preocular extensively 
in contact with the frontal; Ventrals 
165-177 56 ae ee .. Psammophis jalle. 
Scales in 15 rows. Preocular not reaching 
the frontal ; Ventrals 136-155 .. Psammophis cructfer. 
Scales in 13 rows. Ventrals 141-155 .. Psammophis angolensis. 
Es 
nN 
PSAMMOPHIS NoTostictus. Dapple-backed Sand Snake. Appel Bont 
Zand Slang. 
Colour—Pale brown or olive above, with a pair of more or less dis- 
tinct lighter stripes, and with or without small black spots ; 
each vertebral scale often yellow in its posterior half; head 
with dark spots but no longitudinal streaks; upper labials 
and usually pre- and postoculars yellowish white; anterior 
labials often spotted with black; lower parts and whole or 
part of outer row of scales yellowish white, or olive with lateral 
yellowish stripe ; anterior ventrals often with small black spots. 
Average length—z feet 6 inches to 3 feet. 
Distribution—Both provinces of Cape Colony ; Orange River Colony ; 
Basutoland ; German South West Africa; Angola and Lower 
Congo. 
. PSAMMOPHIS FURCATUS. Fork-marked Sand or Grass Snake; Whip 
Snake; Vurk-merk Zand Slang. (Vurk-gemerkde.) 
Synonym—Psammophis monoliger. 
Colour—Brown above, the scales edged with darker, a narrow yellow 
vertebral line bifurcating on the occiput, its branches extending 
to the anterior border of the frontal shield; a broader yellow 
streak on each side, from the eye to the end of the tail; upper 
lip, lower half of the outer row of scales, and lower parts yellowish 
white with or without an interrupted blackish line on each side 
of the ventrals. 
Average length—3 feet. 
Distribution—Both provinces of Cape Colony ; Orange River Colony ; 
Transvaal; Southern Rhodesia; German South West Africa ; 
North to Angola and Lower Congo. 
