A. B. Wick WARE 
*21 
experimental ducks and then disappeared, might be taken to indicate 
that the disease, in an acute form, is not directly transmissible, the 
parasite undergoing an exogenous life-cycle dependent for its propaga¬ 
tion upon some intermediate host, possibly an insect. 
Providing opportunity presents itself, we intend undertaking a more 
methodical research into the etiology, prophylaxis and treatment of 
this affection. 
I wash to express my indebtedness to Dr F. Torrance, Veterinary 
Director General, for permission to publish this preliminary report, also 
for facilities afforded me at the Laboratory and the hearty co-operation 
of the officials of the Poultry Department. 
REFERENCES. 
Franca, C. (1912). Contribution a I’etude des Leucocytozoon des Oiseaux du 
Portugal. Bull. Soc. Path. Exot., v. pp. 17, 82, 173. 
Kerandel, J. (1913). Trypanosomata et Leucocytozoa des Oiseaux du Congo. 
Annales de VInstihit Pasteur. 
