72 
“domestic”; they are limited in distnbtition on the veldt. tb«r 
haunts and habits keep them from tlie free association with game 
that tsetse enjoy in the /ones of which they and f^atne arc commoo 
residents ; and they have not a fraction of the voracious nature aod 
pertinacity possessed by the Giossina. On primd facie grounds 
they cannot be incriminated to the same extent as those which lire 
among the reservoir and wliicli will follow an ox for miles in the 
hope of obtaining a meal. It is this very ■' domestic " nature of the 
other flies, however, which renders them accessories par excellence in 
spreading the disease when a domestic animal, controllable and 
housed, is the reservoir. Let the farmer in a tsetse fly country expose 
one of his animals until it acquires the disease and then herd it with 
the rest m a kraal inhabited by S/omoxys or otlicr biting flies such as 
Lyperosza or Haematobia. The reservoir and the biting fly are 
present in the midst of healthy and susceptible stock; and the resub 
■ enough to be well appreciated by some agriculturists 
in Northern Rhodesia. 
\\r\A \. proposition is proved valid: Buffalo, Koodoo. 
Idebeeste Bush-buck, Hartebeest and Hyaena have been shonn 
view*"'"' correspondent's 
View, they must be destroyed. ^ 
from *e "arSe" P--'*' To quote 
execution once sentence of wholesale death is one whose 
.S I^din "'*^01! "«er be annulled,” Every month 
world and the ra “ncerning the disease in all parts of the 
‘-how that 
district, and even to each^n*'d''equirements of each 
into effect by an adequate staff oT 
to control trypanosomiasis in the domelt""^ 
proof that the eradication of the o- There is no 
disappearance of fly disease- So followed by the 
evidence, for the factors said to have b ^ “‘^cepted ffl 
Without effect in other parts nf t\ n ‘^^“sative there have been 
that the destruction of the tsetse T. o*^t'nent. We have indicated 
of the germ under the conditm Prevent the transmission 
both game and Giossina are n obtain in countries where 
that the extermination of the though it is patent 
servoir would, d priori^ check the 
