DESCRIPTION OF PLATE III. 



Malarial Parasite 



29, 30, 31. The quartan ribbon increases in width. The dark places consist 

 almost entirely of pigment. 



32. Beginning division of the quartan parasite and the black spot in the middle 

 is the collected pigment. 



33. Quartan ring. 



34. Double infection with quartan parasites. 



35. Wide quartan band. The fine black stippling in the upper half of the 

 parasite is pigment. 



36. Beginning division of the quartan parasite. The chromatin (black fleck) 

 is split into four parts. 



37. Division advanced, quartan parasites. 



38. Typical division figure of the quartan parasite. 



39. Finished division of the quartan parasite. Ten young parasites, pigment 

 in the middle. 



40. Young parasites separated from one another. 



41. Small and med'um tropical ring, the latter in a transition stage to a large 

 tropical ring. 



42. Small, medium and large tropical ring, together io one corpuscle. 



