[Darwinism (1889) by Alfred Russel Wallace]@TWC D-Link book
Darwinism (1889)

CHAPTER IV
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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.
RACE VII.

_Tumblers_.--- These have a small body and short beak, but they are specially distinguished by the singular habit of tumbling over backwards during flight.


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