192 
local conditions. The food is brought from Kingston with the 
exception of such fruits and vegetables as are obtained from the 
St. Helen’s Gap Market, a crossroads near Cinchona, where the 
negroes from the surrounding country meet every Thursday to 
barter their yams, scallions (onions), and mangoes. This market, 
is more a social than a business affair and donkeys and their 
mistresses alike refresh themselves upon mangoes while the 
FIG. 34. Interior of one of the laboratories. 
, 
‘so that the place is fairly 
paved with mango stones. Excellent drinking water is brought 
from the upper course of Clyde River, a clear, cold, mountain 
stream, and rain water is stored in large tanks 
The daily temperature in summer varies from about 56° F. in 
the early morning to about 70° F. in the early afternoon and at 
evening the grate fire is a comfort. In winter the thermometer 
run down to 40° F. in the early morning. The day is about 
thirteen hours from sunrise to sunset and twilight is very short 
latter exchange “ plenty-how-do-do,’ 
