potent. Gradually atrophy of the testicles and penis came about, and concurrently he lost his potency and the power of erection. At the time of examination he differed in no way in dress or manner from the women with whom he associated. In contrast to the degeneration of his genital organs, he had developed large breasts like a pregnant women, and claimed that he had nursed several children whose mothers had died. The other mujerado, who was then thirty-six years of age, had been effeminate for ten years. He presented the same general peculiarities as the one already referred to, but with less development of the mammary glands. Like the first, his voice was high-pitched and thin, and the body plump.
The relation of excessive horse-back riding to underdevelopment of the male genitals has been noted by many authorities. The Apaches and Navajos, who spend practically all their waking hours on horse-back are remarkable for small genitals and mild libido and vitality. Kraproth and Chotomski record that even at the present time impotence is very prevalent among the Tartars, which was attributed to riding on unsaddled horses.
Westermarck, in his monumental work, The Origin and Development of the Moral Ideas, remarks, in describing the Koriaks: "Krashenininikoff makes mention of the Ke'yen, that is men occupying the position of concubines, and he compared them with the Kamchadale (a Behring's Strait Tribe) Koe'kcuc, as he calls them, that is men transformed into women. Every Koe'kcuc is regarded as a magician and
