invariably die when brouglil into contact witli ' tuzcmbc.' and woaki 
therefore appreciate tlic importance of giving these insects a vndc 
berth. At present sleeping' sickness is unknown to the natives, aod 
unless controlled they would not be deterred from pursuing svdi 
occupations as fishing, by an abstract fear of a disease of which they 
know nothing. The ordinary bush tsetse {Gl. morsitans) is known to 
most of them, as mentioned, but they are not so well acquainted »itl. 
palpalis. The chiefs might be asked to notify any case of unususl 
illness in their villages and to clear tlie busli around the places where 
water is drawn. No reliance, however, could be placed on thw 
promises to carry out any regulations.* 
C. Personal prophylaxis. 
flipc: obviously directed to the prevention of the bites of tseW 
in thp c othing and the use of sonic of the means adopted 
where th*^^fl ^ “malaria would be applicable lierc, c.g., head nets 
Where the fiy arc very bad. 
D. Destruction of tsetse flics. 
Very directly destroying them. 
experience etocs h, vulnerable point. So far as our 
the number of flies'^"'^^ differena 
'‘""rb ‘‘f™ abovr'” “'em, such as 
Rhodesia are _ t'easures we would suggest for adoption » 
Xte"or‘”C': L-^Ptda. 
natives of Rhodesia fioin Aladona to Kambove by 
3 Tlj0 
land, from the Katanga Riiodesia. and Nyassa 
4 - The V.. mines to Iheir homes. 
- the Kata 
requested to refuse work to an 
5-, The Rhodesian and ^r r 
- chspred 
anga should be 
should refuse 
