DEVELOPMENT OF FILARIA BANCROFTI 



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into man is now well known. It is transmitted from man 

 to man by mosquitoes of many species belonging to 

 several genera. The mosquito takes up filarial embryos 



I 



1 





with the blood. These, in the case of F. bancrofti, are 

 enclosed in a sheath the stretched-out egg-capsule. In 

 the stomach of the mosquito the embryo casts this 



