Chapter II. 
have died of the infection. This trypanosoma is introduced into 
the system through the sting of a tsetse-fly, the Glossina 
palpalis (Col. Sir D. Bruce). 
Occasionally the disease breaks out in the form of acute 
mania ; at other times its development is slow and insidious, 
with only a slight change in the appearance of the patient ; 
presently vertigo makes its appearance, with headache and swell¬ 
ing of the lymphatic glands of the neck. At last come trembling, 
somnolence, a quick pulse and an apathy which increases until 
it reaches the point of torpor or coma. No really sure remedy 
is known. Sundry arsenical preparations appear to be efficacious, 
one of them, atoxil, lias recently given results which are rather 
more encouraging, but it is still uncertain as to whether a real 
cure can be expected. 
IN THE COURTYARD OF THE EQUATORIAL HOTEL, ENTEBBE. 
54 
