Reference numberNLB/19/377
Alternative reference numberNLB/19 p223-225
TitleCopy letter from Michael Foster, to the Under Secretary of State, Colonial Office, S.W.
Date7 September 1899
DescriptionIs directed to reply to the Under Secretary's letter of the 25th August, that it has been shown that while several species of mosquitoes or gnats, do not convey to man in their bites the parasite of malaria, there are some species that certainly do.

Major [Ronald] Ross' telegram must be interpreted as meaning that he has proved that in West Africa malaria may be transmitted by a particular species of mosquito found there, and is of cardinal importance to the prevalence of malaria in that region. In the absence of detailed information the exact nature of the work which Ross wishes to be carried out after his departure can only be guessed at.

Discusses destruction of mosquito breeding places. It seems very desirable Ross' request for additional assistance should be complied with. Assistance cannot be afforded by the observers now in British Central Africa [BCA] as they cannot reach West Africa before Ross leaves. It is important that if sent to West Africa the observers now in BCA return to England in order that they may consult the Committee and acquaint themselves with Ross' results.

It is very desirable that the Commission, or at least such part of it as may be necessary for the purpose, should not leave BCA until it has been ascertained how far species of mosquito play a part in the propagation of malaria which they have been proved to do elsewhere. A telegram has been dispatched urging this upon them.
Physical descriptionTypescript
Access statusOpen
Fellows associated with this archive
NA2281Ross; Sir; Ronald (1857 - 1932)1857 - 1932
NA8220Foster; Sir; Michael (1836 - 1907); physiologist1836 - 1907
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