182 



THE VENOM OF HELODERMA. 



L 

 54,000 



52,000 

 50,000 

 48,000 

 46,000 

 44,000 

 42,000 

 40,000 

 38,000 

 36,000 

 34,000 

 32,000 

 30,000 

 28,000 

 26,000 

 24,000 

 22,000 

 20,000 

 18,000 

 16,000 

 14,000 

 12,000 

 10,000 

 8,000 

 6,000 

 4,000 

 2,000 



Hb. R-b.c. II 12 I 2 3 



9.45 3.00 1-27 1-28 1-29 1-30 1-31 



Fig. 35. Rabbit 17, Experiment 1. This rabbit had been immunized against venom by injection of increasing doses. 

 Figure shows very marked leucocytosis following administration of very large dose of venom that per- 

 sisted about a day. The rabbit had a relatively high leucocyte count at beginning of experiment. 



