THE SPOROZOA 



161 



reduced to three principal types : Plasmodium malaria, P. vivax, and 

 Laverania malaria. These all agree in having an intra-corpuscular, 



<-r^' 



taHi 



^:^_e ~_ ^ 



w-^-^.; 1 



^ 



:*?: 



i 



**^-' ff 



Fig. 89. Conjugation and sporulation in Klossia hehcina, Labbe. [SlEDLECKi.] 

 A-E. Formation of microgametes. F. Conjugation. G. Union of the male and female nuclei. 

 If. Formation of spores. 



amoeboid stage during which the body-plasm becomes stored with 

 melanin granules or metamorphosed haemoglobin. They agree also 

 in having an intra-corpuscular spore-forming stage (schizogony, Fig. 

 90, F, G, L, M), the spores bringing about auto-infection by pene- 



