CONTENTS OF YOL. IT. 
CHAPTEE XVIT. 
Secondary Sexual Characters of Mammals. 
The law of battle — Special weapons, confined to the males — Cause 
of abscaice of weapons in the female — Weapons common to both 
sexes, yet primarily acquired by the male — Other uses of such 
weapons — Their high importance — Greater size of the male — 
Means of defence — On the preference shewn by either sex in the 
pairing of quadrupeds Page 239-273 
CHAPTEE XVIII. 
Secondary Sexual Characters of Mammals — continued . 
Voice — Eemarkable sexual peculiarities in seals — Odour — Deve- 
lopment of the hair — Colour of the hair and shin — Anomalous 
case of the female being more ornamented than the male — 
Colour and ornaments due to sexual selection — Colour acquired 
for the sake of protection — Colour, though common to both 
sexes, often due to sexual selection — On the disappearance of 
spots and stripes in adult quadrupeds — On the colours anei 
ornaments of the Quadrumana — Summary .. .. 274-315 
CHAPTEE XIX. 
Secondary Sexual Characters of Man. 
Differences between man and woman — Causes of such differences 
and of certain characters common to both sexes — Law of battle 
— Differences in mental powers — and voice — On the influence 
of beauty in determining the mari iages of mankind — Attention 
paid by savages to ornaments — Their ideas of beauty in woman 
— The tendency to exaggerate each natural peculiarity 316-354: 
