294 



DISEASES DUE TO HELMINTHS 



Double conjunctivitis discharging chyle has been recorded, filaria 

 also being present (Lewis). 



Acute synovitis of the knee associated with filaria is possible 

 (Maitland). 



NOTES ON FILARIAL CARRIERS. 



CULEX FATIGANS (Culex = gnat). 



This fly of the sub-family Culicin^e is one of the carriers of filaria, 

 and possibly also of the dengue parasite. 



Larvse and pupte of C. fatigatis, Wied., photographed from life, 

 about twice natural size. 



MORPHOLOGY. 



The palpi are longer than the proboscis in the male, and one-sixth 

 the length of the proboscis in the female. 



The larva has a breathing tube. The lateral thoracic and abdominal 

 hairs are not feathered. The head is covered with narrow curved and 

 upright forked scales on the dorsum. The scutellum is covered with 



