6 
THE QUESTION OF THE RELATION OF 
(iv) In German East Africa Dr. Wolfel found trypano- 
somes in the blood of a wart-hog (‘ Sleeping Sickness 
Bulletin/ No. 84, p. 78). 
(v) In the Congo, near Lake Kabwe, trypanosomes of 
cazalboui type were found by Rodhain, Pons, van 
den Branden, and Bequsert, in the blood of six 
antelopes (no name given) and one eland. All were 
well nourished and seemed healthy. A kid was 
inoculated from these antelopes and showed try- 
panosomes in ten days. At Sankisia twelve goats 
became successively infected without appearing any 
the worse. Inoculations made into a guinea-pig, 
a dog, and a jackal were without result (‘ Sleeping 
Sickness Bulletin,’ No. 85, p. 120). (This would 
appear to point to this trypanosome found in these 
antelopes as being non-pathogenic.— R. B. W.) 
(vi) It is also interesting to remember the trypanosome 
of the little owl, Athene noctua (see ‘ Sleeping 
Sickness Bulletin,’ No. 36, p. 139), as well as 
to notice the numerous trypanosomes which are 
being discovered in various parts of the world in 
animals which are not game. In Canada, Watson 
and Hadwen have found trypanosomes in rabbits 
( Lepus sylvaticus), deer -mice ( Peromyscus maniculatus 
and P. nebracencis) , ground-squirrels ( Citellus richard- 
soni), voles ( Evotomys saturatus ), shrews ( Sorex 
vagrans), and also in a cow. A trypanosome has 
also been found by Mensil and Brimont in French 
Guiana in the blood of an ant-eater (‘ Sleeping 
Sickness Bulletin,’ No. 21, p. 373). None of 
these trypanosomes have so far been shown to 
be pathogenic. It does not appear unreasonable 
to conjecture that if search is made trypanosomes 
will be found in African mammals of similar kinds 
which are not game. 
In examining the above table two points particularly 
call for notice. Firstly, that T. gambiense, the parasite of 
sleeping sickness, is shown only twice, and on both occasions 
