A BLOOD PARASITE OF GROUSE 113 



method of multiplication of the Leucocytozoa was 

 unknown. In that year, the investigation of the 



D. 



FlG. 25 SCHIZOGONY OF LEUCOCYTOZOON LOVATI, AS SEEN IN 

 SMEARS OF THE SPLEEN OF GROUSE 



A, Schizont, with the remains of the host cell at either end and 

 host-cell nucleus to one side; J5, uninucleate schizont, with 

 nucleus of host cell only remaining ; C, schizont showing 

 nuclear multiplication ; D, schizont in process of forming 

 merozoites ; E, merozoites fully differentiated ; F, merozoites 

 escaping 



Leucocytozoon of the grouse showed that schizogony 

 of the parasite occurred in the spleen of the bird. 

 The schizont (Fig. 25, A, B) is intermediate in 

 8 



