Thus, Fere has found that in cockchafers sexual
coupling failed to take place when the antennae, which are the
organs of smell, were removed; he also found that males, after
they had coupled with females, proved sexually attractive to
other males (_Comptes Rendus de la Societe de Biologie_, May 21,
1898). Fere similarly found that, in a species of _Bombyx_, males
after contact with females sometimes proved attractive to other
males, although no abnormal relationships followed. (_Soc. de
Biol_, July 30, 1898.)
With the advent of the higher apes, and especially of man, all this has
been changed. The sense of smell, indeed, still persists universally and
it is still also exceedingly delicate, though often neglected.[25] It is,
moreover, a useful auxiliary in the exploration of the external world,
for, in contrast to the very few sensations furnished to us by touch and
by taste, we are acquainted with a vast number of smells, though the
information they give us is frequently vague. An experienced perfumer,
says Piesse, will have two hundred odors in his laboratory and can
distinguish them all. To a sensitive nose nearly everything smells.
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