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SEXUAL SELECTION: MAN. 
Part II. 
CHAPTER XIX. 
Secondary Sexual Characters of Man. 
Differences between man and woman — Causes of sucli differences 
and of certain cliaracters common to both sexes — Law of 
battle — Differences in mental powers — and voice — On the 
influence of beauty in determining the marriages of mankind 
— Attention paid by savages to ornaments — Their ideas of 
beauty in woman — The tendency to exaggerate each natural 
peculiarity. 
With mankind the differences between the sexes are 
greater than in most species of Quadriimana, but not 
so great as in some, for instance, the mandrill. Man 
on an average is considerably taller, heavier, and 
stronger than woman, with squarer shoulders and more 
plainly-pronounced muscles. Owing to the relation 
which exists between muscular development and the 
projection of the brows,^ the superciliary ridge is gene- 
rally more strongly marked in man than in woman. 
His body, and especially his face, is more hairy, and 
his voice has a different and more powerful tone. In 
certain tribes the women are said, whether truly I know 
not, to differ slightly in tint from the men ; and with 
Europeans, the women are perhaps the more brightly 
coloured of the two, as may be seen when both sexes 
have been equally exposed to the weather. 
Man is more courageous, pugnacious, and energetic 
than woman, and has a more inventive genius. His 
^ SchaaffiiauseiL translation in ‘ Anthropological Keview/ Oct. 1868 , 
p. 419, 420, 427. 
