find the water he put
in his basin at night in a great part frozen in the morning, and, not
knowing any peculiar name it had, should call it hardened water; I ask
whether this would be a new species to him, different from water? And I
think it would be answered here, It would not be to him a new species,
no more than congealed jelly, when it is cold, is a distinct species
from the same jelly fluid and warm; or than liquid gold in the furnace
is a distinct species from hard gold in the hands of a workman. And
if this be so, it is plain that OUR DISTINCT SPECIES are NOTHING BUT
DISTINCT COMPLEX IDEAS, WITH DISTINCT NAMES ANNEXED TO THEM. It is true
every substance that exists has its peculiar constitution, whereon
depend those sensible qualities and powers we observe in it; but the
ranking of things into species (which is nothing but sorting them under
several titles) is done by us according to the ideas that WE have of
them: which, though sufficient to distinguish them by names, so that we
may be able to discourse of them when we have them not present
before us; yet if we suppose it to be done by their real internal
constitutions, and that things existing are distinguished by nature into
species, by real essences, according as we distinguish them into species
by names, we shall be liable to great mistakes.
14. Difficulties in the supposition of a certain number of real Essences
To distinguish substantial beings into species, according to the usual
supposition, that there are certain precise essences or forms of things,
whereby all the individuals existing are, by nature distinguished into
species, these things are necessary:--
15. A crude supposition.
First, To be assured that nature, in the production of things, always
designs them to partake of certain regulated established essences, which
are to be the models of all things to be produced. This, in that crude
sense it is usually proposed, would need some better explication, before
it can fully be assented to.
16. Monstrous births.
Secondly, It would be necessary to know whether nature always attains
that essence it designs in the production of things. The irregular and
monstrous births, that in divers sorts of animals have been observed,
will always give us reason to doubt of one or both of these.
17. Are monsters really a distinct species?
Thirdly, It ought to be determined whether those we call monsters be
really a distinct species, according
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