Chapter I

NOTES ON THE QUESTIONS OF PROTECTIVE COLORATION, RECOGNITION MARKS,
AND THE INFLUENCE OF ENVIRONMENT ON LIVING ORGANISMS

Harmony of colour in nature--Theory of protective coloration--Sexual
selection--Conspicuous colours not harmful--The influence of
environment--The leucoryx--The Barbary sheep--The Sardinian
moufflon--African butterflies--Coloration of the musk ox
and caribou--Arctic hares and foxes--Coloration of mammals
in the Yukon Territory--The chamois in winter--Examples of
conspicuous coloration in African mammals--Colour not always
protective--Carnivorous animals usually hunt by scent--Wild
dogs and wolves--Wild dog and sable antelope--Sense of smell
in herbivorous animals--Sight of antelopes--Experience with
waterbuck--Dull sight of caribou--Demeanour of wild animals when
alarmed--Small antelopes--Lions--Large antelopes--Difficulty of
seeing wild animals sometimes exaggerated--Powers of sight of
Bushmen--Colour not protective against animals which hunt by
night and by scent--Animals in motion easy to see--Restlessness
of wild animals--Lions attacking bullocks--Zebras the principal
prey of lions since the disappearance of buffaloes--Appearance of
zebras--Undoubtedly conspicuous animals in open country--Zebras
by moonlight--Strong smell of zebras--Conspicuous antelopes in
East Africa--Effect of the juxtaposition of black and white--Bold
coloration of the sable antelope Pages 1-23