"Hermaphroditism," they conclude, "far from being a
phenomenon altogether abnormal amongst the higher vertebrates,
should be viewed rather as a reversion to the primitive ancestral
phase in which bisexualism was the normal disposition.... True
hermaphroditism in man being established, the question arises
whether lesser grades do not occur.... Remote evidence of
bisexuality in the human subject may, perhaps, be afforded by the
psychical phenomenon of sexual perversion and inversion."
Similarly in a case of unilateral secondary male character in an
otherwise female pheasant, C.J. Bond has more recently shown
(Section of Zooelogy, Birmingham Meeting of British Medical
Association, _British Medical Journal_, Sept. 20, 1913) that an
ovi-testis was present, with degenerating ovarian tissue and
developing testicular tissue, and such islands of actively
growing male tissue can frequently be found, he states, in the
degenerating ovaries of female birds which have put forth male
plumage. Sir John Bland-Sutton, referring to the fact that the
external conformation of the body affords no positive certainty
as to the nature of the internal sexual glands, adds (_British
Medical Journal_, Oct.
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