18.01.2013 Views

The Descent of Man

The Descent of Man

The Descent of Man

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Gould's account ('Handbook to the Birds <strong>of</strong><br />

Australia,' vol. i. p. 133) <strong>of</strong> Cyanalcyon (one <strong>of</strong><br />

the Kingfishers), in which, however, the young<br />

male, though resembling the adult female, is<br />

less brilliantly coloured. In some species <strong>of</strong> Dacelo<br />

the males have blue tails, and the females<br />

brown ones; and Mr. R.B. Sharpe informs me<br />

that the tail <strong>of</strong> the young male <strong>of</strong> D. gaudichaudi<br />

is at first brown. Mr. Gould has described<br />

(ibid. vol. ii. pp. 14, 20, 37) the sexes and<br />

the young <strong>of</strong> certain black Cockatoos and <strong>of</strong> the<br />

King Lory, with which the same rule prevails.<br />

Also Jerdon ('Birds <strong>of</strong> India,' vol. i. p. 260) on<br />

the Palaeornis rosa, in which the young are<br />

more like the female than the male. See Audubon<br />

('Ornithological Biography,' vol. ii. p. 475)<br />

on the two sexes and the young <strong>of</strong> Columba<br />

passerina.) We see the same fact exhibited still<br />

more clearly in certain anomalous cases; thus<br />

the male <strong>of</strong> Heliothrix auriculata (one <strong>of</strong> the<br />

humming-birds) differs conspicuously from the<br />

female in having a splendid gorget and fine

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!