^8 Transactions of the Bo7/al Society of South Africa. 
soon as opportunity occurs. In an animal which was infected by the 
transplantation of organs I found Koch's granules in the blood. Dr. 
Meyer showed me blood-smears sent in from the practice in which a great 
number of mononuclear leucocytes contained the plasma bodies. 
Concerning the place of the East Coast Fever parasite in protozology, 
the proposition of Bettencourt and others to separate it from the piro- 
plasms and to substitute a new name {Theileria parva) is justified. 
DESCEIPTION OF THE FIGUBES. 
FIG. 
1-6. Agamogonous generation, 
3. Intracellular form. 
7-13. Intracellular gamogonous forms. 
12-13. Gamogonous forms in segmentation. 
14-15. Free gamogonous forms. 
15. Free gamogonous form in segmentation. 
16. Free parasites. 
17. Parasites in the blood corpuscle. 
