Ardea ludoviciana, age of mature plumage in; continued growth of crest
and plumes in the male of.
Ardea nycticorax, cries of.
Ardeola, young of.
Ardetta, changes of plumage in.
Argenteuil.
Argus pheasant, display of plumage by the male; ocellated spots of the;
gradation of characters in the.
Argyll, Duke of, on the physical weakness of man; the fashioning of
implements peculiar to man; on the contest in man between right and
wrong; on the primitive civilisation of man; on the plumage of the male
Argus pheasant; on Urosticte Benjamini; on the nests of birds.
Argynnis, colouring of the lower surface of.
Aricoris epitus, sexual differences in the wings of.
Aristocracy, increased beauty of the.
Arms, proportions of, in soldiers and sailors; direction of the hair on
the.
Arms and hands, free use of, indirectly correlated with diminution of
canines.
Arrest of development.
Arrow-heads, stone, general resemblance of.
Arrows, use of.
Arteries, variations in the course of the.
Artery, effect of tying, upon the lateral channels.
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