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These are exactly like those of the Norwich dwarf and of the skeleton in the Heidelberg Museum which I described in a recent number of the 'Archives. The point of extreme interest in the present case is that this dwarfing of the limbs is associated with polydactylism. Both the hands have seven digits. The right foot has eight and the left nine.
Geoffroy St.-Hilaire, Isid., on the recognition of women by male quadrumana; on monstrosities; coincidences of arrested development with polydactylism; on animal-like anomalies in the human structure; on the correlation of monstrosities; on the distribution of hair in man and monkeys; on the caudal vertebrae of monkeys; on correlated variability; on the classification of man; on the long hair on the heads of species of Semnopithecus; on the hair in monkeys; on the development of horns in female deer; and F. Cuvier, on the mandrill; on Hylobates.
Nevertheless it deserves notice, inasmuch as arrested development and reversion are intimately related processes; that various structures in an embryonic or arrested condition, such as a cleft palate, bifid uterus, etc., are frequently accompanied by polydactylism. This has been strongly insisted on by Meckel and Isidore Geoffroy St.-Hilaire.
Polydactylism in man. Polygamy, influence of, upon sexual selection; superinduced by domestication; supposed increase of female births by. In the stickleback. Polygenists. Polynesia, prevalence of infanticide in. Polynesians, wide geographical range of; difference of stature among the; crosses of; variability of; heterogeneity of the; aversion of, to hairs on the face.
"This occurrence of short limbs with polydactylism seems to prove conclusively that the condition may be due to a modification of development of a totally different nature from rickets. It is probable that the infant was not at full term.
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