128 
Tlieileria parva 
Fig. 12. Parasite with pseudopodium and chromatin mass in shape of a bent bar, with 
thickenings at either end. Day 26. 
Fig. 13. Rod-shaped parasite with terminal mass of chromatin. Day 29. 
Fig. 14. Shorter, rod-like parasite with terminal mass of chromatin. Day 21. 
Fig. 15. Slightly bent rod or elongate comma, chromatin terminal. Day 26. 
Fig. 16. Slightly bent rod, chromatin mass not quite terminal. Day 28. 
Figs. 17—20. Bent, dumb-bell-shaped parasites, apparently dividing forms. 
Fig. 17. Parasite with large chromatin masses. Day 24. 
Fig. 18. Smaller parasite. Day 21. 
Fig. 19. Parasite with terminal chromatin masses and a third, very small, median 
chromatin mass. Day 22. 
Fig. 20. Parasite with one end somewhat irregular. Day 25. 
Figs. 21—31 represent infected blood corpuscles each containing two parasites. 
Fig. 21. Two ovoid parasites, each with chromatin at one end. In the largest parasite 
the chromatin mass shows signs of division, being slightly concentrated at the ends 
of the cap. Day 31. 
Fig. 22. One parasite (reniform) has two chromatin masses arranged terminally, the 
other parasite represented is somewhat comma-shaped. Day 27. 
Fig. 23. One parasite is ovoid, the other arcuate with central mass of chromatin showing 
a more deeply staining centre. Day 24. 
Fig. 24. Ovoid parasite and short rod. The chromatin mass of each parasite is large. 
Day 24. 
Fig. 25. Two rod-like parasites, each with enlarged end containing the chromatin mass. 
Day 26. 
Fig. 26. Rod-like parasites, one long and slightly curved. Day 28. 
Fig. 27. Rod-shaped parasites, one with two terminal chromatin masses, the other curved 
like a long attenuate comma. Day 27. 
Fig. 28. Rod-shaped parasites, each with a slightly irregular, lobed (dividing?) mass of 
chromatin. Day 29. 
Fig. 29. Two rod-like parasites, lying across each other, forming an apparent “cross¬ 
form.” Day 21. 
Fig. 30. Bent dumb-bell-shaped and very short rod-shaped parasites. The short rod-like 
parasite is composed almost entirely of a lobed mass of chromatin. Day 29. 
Fig. 31. Small comma-shaped parasite, together with an irregular parasite showing three 
masses of chromatin. Breaking up of a cross-form ? Day 26. 
Figs. 32—35 represent three parasites contained in each of the infected blood corpuscles. 
Fig. 32. Two ovoid parasites and one comma-shaped. One ovoid parasite shows two 
well-marked terminal masses of chromatin. Day 24. 
Fig. 33 represents two comma-shaped and one ovoid parasite. Day 27. 
Fig. 34. One ovoid, slightly pyriform parasite, with chromatin cap showing apparent 
division; together with two elongate comma-shaped parasites. Day 31. 
Fig. 35 represents three small parasites, one with horse-shoe-shaped cap of chromatin 
showing thickenings at either end. Day 25. 
Figs. 36—38 represent four parasites in each infected blood corpuscle. Nearly all the 
parasites are more or less rod-like or comma-shaped. Days 26, 28. 
Fig. 39 represents three parasites in a corpuscle; one of the parasites is apparently 
dividing. Day 30. 
Fig. 40 represents three rod-like parasites and one small pyriform. Two of the rod-shaped 
parasites are arranged across each other (apparent “ cross-form ”). Day 30. 
