A BOOMSLANG RITE. 493 



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



Fig. D. — A few of the author's live Schaapstckcrs, by the aiil 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 arc commonly known as Crossed Grass Snakes 



(Psaminophis crucifcr). The others are Rhombic or Spotted Schaapstckcrs {Trimcro- 



rhinus rhombeaius) . 



Pretorius suffered from giddiness and mental torpor whenever 

 the weather was unusually warm. To prevent himself falling 



