73
Agreeing with Long and White, in 1832, William Frédéric Edwards brings back
Blumenbach’s ‘principle of degeneration’ with some modifications. In his famous theory of
‘reversion’ or ‘throwing back’, he highlights that hybridity could lead mankind to extinction since,
from time to time, half-breds generate black offspring and never white. Thus, Edwards concludes
that miscegenation in the Caribbean would lead the colonial society to a ‘reversion’ by means of a
gradual reduction of whites:
The reversion may be divided into two main classes which, however, in
some instances, blend into one another: firstly, those occurring in a variety
or race which has not been crossed, but has lost by variation some character
that it formerly possessed, and which afterwards reappears. The second
class includes all distinguishable character, a race, or species which has at
some former period been crossed and a character derived from this cross,
after having disappeared during one or several generations, suddenly
reappears. A third class, differing only in the manner of reproduction,
might be formed to include all cases of reversion (...) independent of true or
seminal generations. In the present chapter, I shall consider the part which
crossing plays in two opposed directions – firstly, in obliterating
characters, and consequently in preventing the formation of new pure races.
I shall also find that, in the case of intermediate races, certain characters are
incapable of fusion. And secondly, regarding the spontaneous modification
of old races, free reproduction chiefly gives uniformity (...) to the
individuals of the same species or variety, when they live mingled together
and are not exposed to any excessive variability. Behold, ongoing
interbreeding in a given community may cause the extinction of the white
race. (...) The following calculation shows that: if a colony with an equal
number of black and white were founded, and we assume that they
intermarry indiscriminately, are equally prolific, and that one in thirty
annually dies and is born; then in 65 years the number of blacks, whites,
and mulattoes would be equal. In 91 years, the whites would be 1-10th, the
blacks, 1-10th and mulattoes, or people with intermediate degrees of colour,
8-10ths of the whole number. In three centuries, not 1-100th part of the
whites would exist. When one of two mingled races exceed the other
greatly in number, the latter will soon be wholly, or almost wholly, while
the weakened, absorbed and lost (EDWARDS, 1950: p.53-63).
Another nineteenth-century detractor of miscegenation was the physician Robert Knox
(1828). From Knox’s point-of-view, mestizos compounded a new species that would not last long
owing to their genetic disorders. As he states, sooner or later, every miscegenated would manifest
the blackness he/she conceals and die in a process of degeneration: “Products of inter-racial unions
are either infertile, or if fertile, after a few generations will revert to the real species from which they
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