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SECOND BOOK. 
people drink the water of stagnant ponds. Instead 
of using such bad water, they should take the 
trouble to get tanks in which they may store up a 
wholesome supply.” 
8 . The lecturer next went on to say that in many 
parts of Jamaica the soil is so porous, and the 
underlying rocks of such a kind, that a large share 
of the rain-water that soaks into the highlands 
passes away to the sea in deep, underground channels. 
9. “In such tracts of country,” he continued, 
“ tanks of stone- work and cement are necessary to 
collect and store the rain-water. In some districts 
the parishes have established water-works to avoid 
distress in times of drought. 
10. “ It is perhaps needless to add that when 
tanks are used they should be regularly cleaned, as 
they gradually become coated with matter that 
would make the water foul.” 
WATER.— II. 
1. The next day, when Miss Brooks and May 
were talking about the lecture, May said: “ Do you 
remember that the gentleman said, ‘ Whatever a 
person’s weight may be, about two-thirds of it is 
the weight of the water in his body?”’ 
2. “He did;” replied Miss Brooks. “We take 
water in all our foods, even in those that seem to 
