10. That the whole number of the slaves in the island of Jamaica in 1768
was about 167,000, in 1774 about 193,000, and in 1787 about 256,000: that
by comparing these numbers with the numbers imported and retained in the
said island during all these years, and making proper allowances, the
annual excess of deaths above births was in the proportion of about
seven-eighths per cent.; that in the first six years of this period it was
in the proportion of rather more than one on every hundred; that in the
last thirteen years of the same it was in the proportion of about
three-fifths on every hundred; and that a number of slaves, amounting to
fifteen thousand, perished during the latter period in consequence of
repeated hurricanes, and of the want of foreign supplies of provisions.
11. That the whole number of slaves in the island of Barbadoes was in the
year 1764 about 70,706; in 1774 about 74,874; in 1780 about 68,270; in
1781, after the hurricane, about 63,248, and in 1786 about 62,115: that by
comparing these numbers with the number imported into this island (not
allowing for any re-exportation), the annual excess of deaths above births
in the ten years from 1764 to 1774 was in the proportion of about five on
every hundred; that in the seven years from 1774 to 1780 it was in the
proportion of about one and one-third on every hundred; that between the
year 1780 and 1781 there had been a decrease in the number of slaves of
about five thousand; that in the six years from 1781 to 1786 the excess of
deaths was in the proportion of rather less than seven-eighths on every
hundred; that in the four years from 1783 to 1786 it was in the proportion
of rather less than one-third on every hundred; and that, during the whole
period, there was no doubt that some had been exported from the island, but
considerably more in the first part of this period than in the last.
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