ABSTRACT
The sexual responses of sub-human primates may-have no connection with sexual appetite, and often appear to be used as a means to obtain material advantages,—for example, food or protection from enemies. The liberation of these responses in asexual situations was first recognized as a distinct form of behaviour by Hamilton in 1914.136 Hamilton concluded, from a lengthy series of observations, that “at least two, and possibly three, different kinds of hunger, or needs of individual satisfaction, normally impel the macaque towards the manifestation of sexual behavior, viz., hunger for sexual satisfaction, hunger for escape from danger and, possibly, hunger for access to an enemy.” To this list Bingham, on the basis of certain observations carried out in Cuba on the late Madame Abreu’s collection of sub-human primates, has suggested the addition of a fourth class of sexual responses—the tendency “to show off sexually in the presence of interested observers.”40
