They all had an intense dark ring about them; the fifth was
situated about five inches above the umbilicus. Percy injected
the subject and dissected and described the mammary blood-supply.
Hirst mentions a negress of nineteen who had nine mammae, all
told, and as many nipples. The two normal glands were very large.
Two accessory glands and nipples below them were small and did
not excrete milk. All the other glands and nipples gave milk in
large quantities. There were five nipples on the left and four on
the right side. The patient's mother had an accessory mamma on
the abdomen that secreted milk during the period of lactation.
Charpentier has observed in his clinic a woman with two
supplementary axillary mammae with nipples. They gave milk as the
ordinary mammae. Robert saw a woman who nourished an infant by a
mamma on the thigh. Until the time of pregnancy this mamma was
taken for an ordinary nevus, but with pregnancy it began to
develop and acquired the size of a citron. Figure 147 is from an
old wood-cut showing a child suckling at a supernumerary mamma on
its mother's thigh while its brother is at the natural breast.
Jenner speaks of a breast on the outer side of the thigh four
inches below the great trochanter.
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