I. THE BUSH SNAKE. 2. THREE-CORNERED OR FILE SNAKE. [After Smith.) 

 Fig. 43. — Bush Snake or Bosch Slang {Philoihamnus 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. (6) No black spots or bars ; some scales with whitish spot. Groundjcolour 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.'lMus. 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. 



97 H 



