Darwinism (1889): An exposition of the theory of natural selection, with some of its applicationsWallace, Alfred Russel
Science
Darwinism (1889): An exposition of the theory of natural selection, with some of its applications
Wallace, Alfred Russel
Evolution; Natural selection
RACE II. _Carriers_.--These are large, long-necked birds, with a long
pointed beak, and the eyes surrounded with a naked carunculated skin or
wattle, which is also largely developed at the base of the beak. The
opening of the mouth is unusually wide. There are several sub-races, one
being called Dragons.
RACE III. _Runts_.--These are very large-bodied, long-beaked pigeons,
with naked skin round the eyes. The wings are usually very long, the
legs long, and the feet large, and the skin of the neck is often red.
There are several sub-races, and these differ very much, forming a
series of links between the wild rock-pigeon and the carrier.
RACE IV. _Barbs_.--These are remarkable for their very short and thick
beak, so unlike that of most pigeons that fanciers compare it with that
of a bullfinch. They have also a naked carunculated skin round the eyes,
and the skin over the nostrils swollen.
RACE V. _Fantails_.--Short-bodied and rather small-beaked pigeons, with
an enormously developed tail, consisting usually of from fourteen to
forty feathers instead of twelve, the regular number in all other
pigeons, wild and tame. The tail spreads out like a fan and is usually
carried erect, and the bird bends back its slender neck, so that in
highly-bred varieties the head touches the tail. The feet are small, and
they walk stiffly.
RACE VI. _Turbits and Owls_.--These are characterised by the feathers of
the middle of neck and breast in front spreading out irregularly so as
to form a frill. The Turbits also have a crest on the head, and both
have the beak exceedingly short.
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