Further observations on Filaria sanguinis hominis.

Manson showed that Wuchereria bancrofti, the cause of filarial elephantiasis in man, develops in, and is transmitted by, the Culex mosquito. This was the first proof that infective diseases are spread by animal vectors. See also his later paper in J. Linnean Soc., 1878 (Zool.), 14, 304-11.