258 
melanin pigment have been found in the gut of the fly. But, as with 
most blood parasites, further work is necessary with regard to the 
exact mode of transmission of protozoal parasites from host to host. 
The avian Leucocytozoa, as exemplified by L. lovati, in which 
schizogony is now shown to occur, are, then, typical members of the 
Haeinos poridia , allied to the malarial parasites. 
Tn conclusion, while the method of schizogony in L. lovati is as 
indicated in this paper, it does not follow that the multiplicative pro¬ 
cesses of all avian Leucocytozoa are on the same lines, though I think 
that it is probable that in all these avian blood parasites, the period 
of schizogony is a short one, and that much patient investigation under 
the most varied conditions will be necessary to establish schizogony in 
most members of the avian Leucocytozoa. 
LITERATURE 
F i i ham, If. ]j. (1910). Observations on the Parasitic Protozoa of the Red Grous 
(Lagofus scotitus ).’ Abstracts of Proc. Zool. Soc. Lond., No. 84, May 3 
1910. 
Mathis., C. et Legek, M. (1909). • Leucocytozoon de la Perdrix du Tonkin.’ Ann. 
Inst. Pasteur, XXIII, pp. 740-743, 1 pi. 
Mattiis, C* ft t vppp >» / » . _ .. 
' • L jER , (">09). Leucocytozoon de la Poule.’ C.R. Soc. Biol, 
Paris, 67, pp. 470-472. 
' , KT ^KGER, M. (1909). ‘ Recherches sur le Leucocytozoon de la Poule- 
enodicite des formes sexudes dans le sang.’ C.R. Soc. Biol., Paris, 67, 
pp. 688-690. 
r v> ET I ' i ” :GER ’ ( I 9 JO )- ‘ Sur un nouveau Leucocytozoon de la Poule- 
Sr, „ ' Bi ° L ' Pari5 ’ 68 > PP' 22 ‘ 2 4 - 
MANN, G. and Sambon, L. W. (1907) « Preliminary Note on a Leucocytozoon 
in the blood of Red Grouse (Lagopus scolicus).' Lancet, Sept. 21, 
1907, p. 829. 
