Page 148

148s                   TURN-STONE.
milion, or red lead; hind toe standing inwards, and all of them
edged with a thick warty membrane. The male and female are
alike variable; and when in perfect plumage nearly resemble
each other.
  Bewick, in his History of British Birds, has figured and de-
scribed what he considers to be two species of Turn-stone; one
of which, he says, is chiefly confined to the southern, and the
other to the northern parts of Great Britain. The difference,
however, between these two appears to be no greater than com-
monly occurs among individuals of the same flock, and evident-
ly of the same species, in this country. As several years pro-
bably elapse before these birds arrive at their complete state of
plumage', many varieties must necessarily appear, according to
the different ages of the individuals.