182 



THE VENOM OF^HELODERMA. 



Fic, 35.— flobfjti 17, Experiment 1. This rabbit had been immunized against venom by injection of increasing doses. 

 Figure shows very marked leucocytosis folio-wing 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. 



