He also mentions creatures who have gloated over the odors of the blood and excretions from the bodies of women, and gives instances of fetichism of persons who have been arrested in the streets of Paris for clipping the long hair from young girls.

There are also on record instances of homosexual fetichism, a type of disgusting inversion of the sexual instinct, which, however, it is not in the province of this work to discuss.
Among animals the influence of the olfactory perceptions on the sexual sense is unmistakable.

According to Krafft Ebing, Althaus shows that animals of opposite sexes are drawn to each other by means of olfactory perceptions, and that almost all animals at the time of rutting emit a very strong odor from their genitals.

It is said that the dog is attracted in this way to the bitch several miles away.

An experiment by Schiff is confirmatory.