The statute making it a criminal offense to carnally know any female under the age of forty-five who is epileptic, imbecile, feeble-minded or a pauper has a broader purpose than the protection of the individual, viz.: the protection of the public and the community against the danger of increasing the number of mental defectives in our population. The defendant claimed that by itself the results of an intelligence test, which the State put in evidence, were not sufficient to establish feeble-mindedness