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IV. A Defcription of a Species of Sarcocele of a mofi aflonifmig 
Size in a Black Alan in the Jfland oj Senegal ; with Jome 
Account oj its being an endemial Difeafe in the Country, of 
Gal am. By J. P. Schotte, M. D. ; communicated by Sir 
Jofeph Banks, Bart . P. R. S. 
Read December 1 9, 1782. 
T HERE are certain difeafes which are peculiar to certain 
countries only, and are thence called endemial ones of 
fuch particular countries where they occur. The more pro- 
grefs we make in the difcoveries of countries, the more we are 
convinced of this fa Ct, and the greater is the number of thole 
difeafes that become known. Their formation may depend on 
climate, food, water, hereditary difpofition, and other caufes. 
Many endemial dileafes of the moll diftant countries have been 
defcribed by ingenious travellers ; but as the Europeans have 
not yet penetrated into the interior parts of many countries, it 
is probable, that there may be feveral more of this kind, en- 
tirely unknown to us. A difeafe of this clals, which I have 
feen at Senegal, and which, as far as I know, has not yet been 
mentioned by any author, convinces me of what I have ad- 
vanced ; and as it is a remarkable one, I think a fhort defcrip- 
tion of it may not be unacceptable to the curious in phyfic. 
Mr. bishopp, furgeon in chief of the province of Senegambia 
(who now refides in London) telling me one day, that he was go- 
ing to fee a poor black man of the Bambara nation, afflicted with a 
1 molt 
