74 
‘ Madona. February ^k, 190S. 
‘ Dear Dr. Hearsay, 
' In a recent number of the “ Hritish Medical Journal" I Dobcci 
reference to your last year's report, and as you consider the qufttiOD 
of sleeping' sickness, I should like to get a copy of it, and alsooftbf 
map showing tlie distribution of tsetse flies, if you will kmdly send 
them to Abercorn. 
I notice also that the road from Tanganyika to Ny'assa is bob 
unused, and that Dr. Todd’s prediction as to tlic infection of the 
South end of the last-named lake has not been fulfilled l.'nforto- 
nately this is not the case. Evidence is at hand that cases now einsl 
t ere, and as 67 . palpalis is found along its shores, the danger of 
a wide dissemination of the disease is great It is not surprising that 
IS IS true for although fly was known to exist along tlic Belgian 
e ake, certainly as far South as Vua, and also that imported 
s were present at Moliro (1901) and Baudoinville (1902), nothing 
was done by the Congo authorities to check the spread of the disease, 
r^DoriV natural consequences of this were shown by a 
either endemic at Vua. As natives on 
It would ° ^ communicating uninterruptedly, 
mto Brltlsh^“^ 
present at TTiin u 4- u erman Hast Africa cases have been 
spreading southward to the danger of the disease 
pa/pa/is is found on the Gernm, ^ cannot say. Gl. 
below Bismarckburg. ' perbon of Tanganyika, certainly 
panosoniifsis, all w'th^a"history t 
I consider that these case*; ^ worked in the Katanga, 
indigenous cases have been foulfdT^^"^ 
along the whole of the Luam.l f pa/pa/is occurs 
days south of Mweru) and th ^ Kapwepwi’s to Kasiwa’s (two 
these would have been exnectPd ^ constantly, 
‘ As a result of the ext^n ■ ^ ^ disease been indigenous 
Katanga, cases of sleeninfr ^niportation of labour into the 
districts from wh.ch'Tl:f aU .he 
hodesia but to Nyassaland as well T • ^ ^PP^'cs not only to 
gone from Nyassaland or wh fU aware l;ow many have 
■ whether tiiey have been watched since 
