PLATE II 
Fig. i.—Young zygotes of the benign tertian parasite. 
Fig. 2.—Young zygotes of the malignant tertian parasite. 
Fig. 3.—Mature zygote, outside epithelium of mid-gut (Section, 
haematein). 
Fig. 4.—Transverse section of salivary gland shewing sporozoits 
in situ (haematein). 
Fig. 5.—Sporozoits from the salivary gland (Romanowsky 
stain). 
