A BOOMSLANG BITE. 493 



was the case with Williams. For two years after recovery, 



Fig. D. — A few of the author's live Schaapstekers, by the aid of which he demonstrated that 



their venom, weight for weight, was as potent in its death-dealing properties as that of 



the Cobra. 

 The two with straight lines down their bodies are commonly known as Crossed Grass Snakes 



(Fsammophis crucifi-r). The others are Rhombic or Spotted Schaapstekers (Trimero- 



rhinus rhombeatus). 



Pretorius suffered from giddiness and mental torpor whenever 

 the weather was unusually warm. To prevent himself falling 



