363 
fifty-second day, did not become infected. Parasites (1 to 15 fields) 
were found in the blood of Goat 2 on the nineteenth day after 
inoculation, but were never observed subsequently. On the 
seventy-second day slight swelling of the face was noticed. Beyond 
slight wasting no other symptom was exhibited. Death occurred 
on the eighty-fifth day. 
Table io.—G oats infected with T. gambiense 
Description of 
animal 
Amount of virus 
injected subcutaneously 
or intraperitoneally 
Day on 
which 
parasites 
were first 
seen in 
blood 
Day on 
which 
death 
occurred 
Remarks 
r. Large ? 
Subcutaneously. 1 c.c. of 
diluted blood solution 
containing 10,000 try¬ 
panosomes per c.mm. 
Parasites never found m 
blood. Rats inoculated 
with its blood on the 
44th day became in¬ 
fected, but not those 
inoculated on the 152nd 
day. 
Animal alive and well after 
more than five months. 
Medium J 
Intraperitoneally. 1 c.c. 
of diluted blood solu¬ 
tion containing 5000 
trypanosomes per c.mm. 
19th day 
85th day 
Parasites only found once 
(on the 19th day) in very 
small numbers. Rats 
inoculated with its blood 
on the day of death 
became infected. 
Donkey and Horse. 
Rhodesian strain. Two donkeys and a hoise were easi \ 
infected. 
Donkey 1. Inoculated subcutaneously with a small amount o 
the virus. Parasites first appeared in the circulation on tie 
day. From the sixth to the eighth day trypanosomes were presen 
in fair numbers (3 to .0 to a field), and a few posterior nucleat 
forms were found. Subsequently parasites were constant } P 
in very small numbers until the last week when the num er g 
increased, and the posterior nuclear variety were again o 
Temperature remained constant (103-4° T •) throughout t e 
Beyond wasting and an oedematous condition o tic 
