178 



THE VENOM OF HELODERMA. 



Fig. 27. Rabbit 2, Experiment 1. Rise in number of leucocytes 5 hours after injection; followed next morning by an 

 absence of leucocytosis. 



Experiment 2. The morning after injection number of leucocytes is high. 



Experiment 3. The morning after injection number of leucocytes is higher than before injection. 



L 



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 



Fig. 28. Rabbit 3. Only very slight rise found on morning of day following injection. 

 Rabbit 4. No leucocytosis. 



