SANDFLEAS, CRAWCRAW, RASPBERRY DISEASE, ETC. 87 
sangunagenta, is also an importation, having come over 
in cases of goods brought from South America. 
Besides the sores caused by the sandflea we have the 
so-called crawcraw. These generally occur several 
together, most commonly on the foot and leg, and are 
frightfully painful, but the cause of them we do not yet 
know. The treatment consists in cleaning out the sore 
with a plug of cotton-wool till it bleeds naturally, when 
it is washed out with mercuric chloride and filled with 
boracic powder. It is then bandaged and left to itself 
for ten days. 
Another kind of sore is that of the so-called raspberry 
disease {frambcesia) , which may attack any part of the 
body. The name was given because it shows itself first 
in largish pustules, covered with a yellow crust, the 
removal of which reveals a slightly bleeding surface 
which looks exactly like a raspberry stuck on the skin. 
There was brought to me once an infant which had got 
infected through contact with its mother’s breast, and 
looked exactly as if it had been first painted over with 
some viscous substance and then stuck all over with 
raspberries. These pustules may disappear, but for 
years afterwards surface sores occur in the most varied 
parts of the body. 
This disease, which is common in all tropical countries, 
is very infectious, and almost all the negroes here have 
it at some time or other. The old treatment consisted 
in dabbing the sore with a solution of sulphate of copper 
{cupri sulphas) and giving the patient every day two 
grammes of iodide of potassium {potassii iodidum) in 
water. It has recently been proved that arseno-benzol 
injected into the veins of the arm effects a speedy and 
permanent cure ; the sores disappear as if by magic. 
