180 



THE VENOM OF HELODERMA. 



Fig. 3l.—R(ibbUt 7 and 8. Smaller doses of venom were used here than in experiments on rabbit 6; a slight rise in both 

 occurred. In rabbit 8 the rise is preceded by a fall. ,, . , 



Rii66i/ 9. This rabbit had an initially low leucocyte count; it succumbed to a rather small doseol venom. 

 No rise in number of leucoc>'tes. 



Fia. Z2.— Rabbit 10. Large dose; no leucocytosis. Some initial tall in number of leucocytes. 



Rabbit il. Slight fall followed by a not considerable rise in leucocytes. ., ., 



ieo66i( 12, Small number of leucocytes observed in beginning of experiment; followed by inconsiderable 

 rise after injection. 



