MASTIGOPHORA 



395 



The parasite has been supposed to be transmitted from man 

 to man by bugs of the genus Cimex, but this hypothesis has be_en 



FIG. 162. Conorhinus megistus, the insect carrier of Schizotrypanum cruzi. (From 



Dofltin after C ha gas.} 



** 







FIG. 163. Lieshmania donovani in the juice obtained by puncture of the spleen in 

 kala-azar. (From Doflein after Donovan.} 



rendered very uncertain by recent work of Wenyon 1 and the 



1 Journ. Lond. Sch. Trop. Med., 1912, Vol. II, pp. 13-26. 



