G. II. F. XUTTALL 
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Canine Firoplasmosis. 
Two forms of piroplasniosis have been observed in dogs, the commoner 
and more widely distributed being due to P. canis. In India, P. cams 
(Fig. 1) is transmitted by Rhipicephalus sanguineus, a tick which has 
accompanied the dog practically all over the world. This tick is the 
Fig. 7. Haeviaphysalis leachi nymph. (Original, G. H. F. N. del.) 
Fig. 8. Haemaphysalis leachi larva. (Original, G. H. F. N. del.) 
probable vector of P. canis throughout Asia, Southern Europe and 
North Africa. Haemaphysalis leachi (Figs. 5-8) is the vector over 
the greater part of Africa from Cape Colony northwards. Attempts to 
