HYGIENIC LABORATORY BULLETIN No. 45 
PLATE II 
n Kasni DcBabimfirB. 
Blood smear showing unusual forms of Hepatozoon perniciosvm. a. free vermicules ; b. motion- 
less, free parasites ; c. large oval parasite without cyst ; d. large parasite in transitional leucocyte, 
unencysted ; e. ordinary size parasite in transitional leucocyte, without cyst ; /. large parasite 
encysted in large mononuclear lymphocyte. 
Drawn with camera lucida. Giemsa stain. 
