12 ^ 
TRANSMISSION OF CATTLE TRYPANOSOMES 
European and native unite in inchniinating the tsetse-fly coramon 
throughout the Northern part of the area of North-Western Rhodesia 
The examinations of our specimens of these has so far only shown 
Giussina mursiians, the approximate distribution of which is marked 
on the attached map; but it must be understood that the lack ofs^ns 
in certain areas does not imply freedom from the fly, but only that ac 
have no positive knowledge of its occurrence. 
Tabanidae have only been incriminated in the one instance 
already recorded During June, July and August, 1907, we did not 
see any, but during the latter end of September thc)' were 
occasionally seen at our camp, and they were very numerous m 
Broken Hill on the first few days of October. On our line of march 
they were constantly encountered, and may be held as ha\ing n 
almost universal distribution. The larger members of this family art 
locally known as hippo flies ’; Uaanalafola, also common in 
November and December, are usually spoken of as ' blind flies.’ 
Stomoxys were taken m the cattle kraal of the farm where our 
camp was established in July and August, and they were caught on 
River Kafue in November and on the River Luapula in DcceiAer. 
1 hey were most frequently met with m villages, but on two rx:casioos 
were .taken from recently shot game. 
first week .n August, and aga.n dunng the latter part of Septeuto 
whe^ ™ have they been taken any 
Where on the route followed. 
of T ^°'»P‘-*nson with India, rare. One specimen 
have thrice taken'TJ/ 1 /'^" coming from near the Kafue. We 
rice taken Lipoptena on dead buck. 
with ganfe and^ frequency of Glossina and their assoaatioo 
assu Jng toTe't^ ^ 
capable fifes for ^ -"f 
domestic animal*; tni. ^ trypanosome to cattle or olh« 
have seen 
recently shot Hartebeest f'ff, / , of blood made from a 
{'i'ragelapkus scriptus\ h t ^^<^hsUHst€tni) and a bosh buck 
inoculated animals is incon.fletr' 
