1. THE BUSH SNAKE. 2. THREE-CORNERED OR FILE SNAKE. (After Smith.) 
Fic. 42.—Bush Snake or Bosch Slang (Philothamnus semivariegatus). Average length 3-4 feet. Large 
eye, slender shape, tapering tail. Colour varies in different specimens. The variations are: (a) Colour 
above, green or olive, with irregular black cross bars; some scales with whitish spot. Greenish- 
yellow below. (b) No black spots or bars ; some scales with whitishspot. Ground colour green above, 
and yellowish below. (c) With black spots, at least on anterior part of back. (d) Spots and bars 
absent, or very indistinct.—(Brit. Mus. Cat. Snakes.) Note.—The prevailing colour is always green or 
olive green, and yellowish below. 2. Three-cornered Snake or Vijlslang (Simocephalus capensis). 
Average length 3 ft. Colour: Dark brown above, with olive shade. Upper lip and scales along top of 
backbone yellowish. Light yellow below. 
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