THE SNAKES OE BRITISH EAST AFRICA 49 
Irregularis. — Total length 2 feet 8| inches. Tail 9J inches. 
Green or olive above, scales often with a white spot at the 
base, with or without a black upper border ; interstitial skin 
black ; sometimes with black spots or irregular cross bands 
on the anterior part of the body ; greenish-yellow inferiorly. 
Found at Taita, Lamu, Witu, Nairobi, and Meru. 
Genus Philothamnus — 
Semivariegatus. — Total length 8 feet 11 J inches. Tail 
1 foot 5f inches. Green or olive above, with or without 
black spots or cross-bars ; greenish-yellow inferiorly. Found at 
Kilimanjaro, Milindi. 
Genus Bhamnophis — 
Jacksonii. — Total length 5 feet 6 inches. Tail 1 foot 
8 inches. Uniform black above and underneath. Found at 
Kavirondo. 
Genus Coronella — 
Semiornata. — Total length 2 feet. Tail 6 inches. Olive- 
brown above, with black transverse lines on the anterior 
portion of the body ; these lines indistinct or broken up in the 
adult ; upper lip prae- and postoculars yellowish ; ventrals 
yellowish, uniform or edged with black. Found at Mombasa. 
Genus Zamensis — 
Florulentus . — General colour is greyish-yellow, sand colour, 
with transverse markings on the back, two alternating series 
of roundish spots on either side, and a third series of less 
defined spots at the lateral ends of the ventrals. All these 
markings are pale reddish-brown, but across the hind neck 
is a transverse semilunar spot of quite dark-brown or blackish, 
and a band of similar colour extends across the head over the 
middle of the parietals from one comer of the mouth to the 
other. The greater part of the tail is unspotted. Lower parts 
yellowish-white. Found north of Guaso-Nyeri. 
Genus Thrasops — 
Bothschildi. — Described by Mocquard. Bull, d’hist. nat. 
Paris, 1905, p. 287. Found at Meru. 
Vol. III.— No. 5. 
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