The Descent of Man

mana, 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 plainlypronounced
muscles. Owing to the relation
which exists between muscular development
and the projection of the brows (1. Schaaffhausen,
translation in 'Anthropological Review,'
Oct. 1868, pp. 419, 420, 427.), the superciliary
ridge is generally more 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 races the women
are said to differ slightly in tint from the
men. For instance, Schweinfurth, in speaking of
a negress belonging to the Monbuttoos, who
inhabit the interior of Africa a few degrees
north of the equator, says, "Like all her race, she
had a skin several shades lighter than her husband's,
being something of the colour of halfroasted
coffee." (2. 'The Heart of Africa,' English
transl. 1873, vol i. p. 544.) As the women labour