97 
A REPORT ON TRYPANOSOMIASIS OF 
DOMESTIC STOCK IN NORTH-WESTERN 
RHODESIA 
RY 
R. EUSTACE MONTGOMERY, M.R.C.V.S. 
AND 
ALLAN KINGHORN, M.B. 
THE LIVERPOOL SCHOOL OF TROPICAL MEDICINli EXPEDITION TO THE ZAMHESI, iqo; 
{Received for publication lo April, 1908) 
SYNOPSIS 
PAGE 
Local Views on the Disease . 
Domestic Animals of the Territory . 
Trypanosomiasis in Cattle . 
Infection by T. dimorphon . 
Experimental . • 
Infection by T. vivax . 
Experimental . i '4 
Infection by 2 '. theiUri . 117 
Trypanosomiasis in Sheep . 117 
Trypanosomiasis in Native Dogs . 118 
Morphology of the Trypanosomes . 118 
T. Jimorfhon . 118 
T. vivax . 122 
Trypanosomes found in Dogs . 124 
Argument . 125 
Transmission of the Cattle Trypanosomes . 128 
The Expedition reached Broken Hill, the present head of the 
Cape to Cairo Railway (approximately 14® 35' S., 28° 40' E.) on 
June 17th; on the 23rd the examination of some cattle at a farm in 
the neighbourhood revealed the presence of trypanosomes. 
LOCAL VIEWS ON THE DISEASE 
‘ Fly disease,’ ' fly struck ’ or ‘ fly ’ is well known to the inhabitants 
of the district, and most deaths in cattle are ascribed to it. The 
views held locally are those of stock owners South of the Zambesi. 
The passage of cattle through a known tsetse area is only undertaken 
under compulsion, and wherever possible is effected during the night, 
