ule the mother--regards the child with
emotions which proceed from her sexual life; strokes it, kisses it, rocks
it, and very plainly treats it as a compensation for a fully valid sexual
object." Freud remarks that girls who retain the childish character of
their love for their parents to adult age are apt to make cold wives and
to be sexually anaesthetic.

[170] Esbach (in his _These de Paris_, published in 1876) showed that even
the finger nails are affected in pregnancy and become measurably thinner.

[171] C.H. Stratz, _Die Schoenheit des Weiblichen Koerpers_, Chapter VI.

[172] Iron appears to be liberated in the maternal organism during
pregnancy, and Wychgel has shown (_Zeitschrift fuer Geburtshuelfe und
Gynaekologie_, bd. xlvii, Heft II) that the pigment of pregnant women
contains iron, and that the amount of iron in the urine is increased.

[173] Vinay, _Maladies de la Grossesse_, Chapter VIII; K. Hennig,
"Exploratio Externa," _Comptes-rendus du XIIe. Congres International de
Medecine_, vol. vi, Section XIII, pp. 144-166. A bibliography of the
literature concerning the physiology of pregnancy, extending to ten pages,
is appended by Pinard to his article "Grossesse," _Dictionnaire
Encyclopedique des Sciences Medicales_.

[174] Stratz, op. cit., Chapter XII.

[175] W.S.A. Griffith, "The Diagnosis of Pregnancy," _British Medical
Journal_, April 11, 1903.

[176] J. Mackenzie and H.O. Nicholson, "The Heart in Pregnancy," _British
Medical Journal_, October 8, 1904; Stengel and Stanton, "The Condition of
the Heart in Pregnancy," _Medical Record_, May 10, 1902 and _University
Pennsylvania Medical Bulletin_, Sept., 1904 (summarized in _British
Medical Journal_, August 16, 1902, and Sept. 23, 1905.)

[177] J. Henderson, "Maternal Blood at Term," _Journal of Obstetrics and
Gynaecology_, February, 1902; C. Douglas, "The Blood in Pregnant Women,"
_British Medical Journal_, March 26, 1904; W.L. Thompson, "The Blood in
Pregnancy," _Johns Hopkins Hospital Bulletin_, June, 1904.

[178] H.O. Nicholson, "Some Remarks on the Maternal Circulation in
Pregnancy," _British Medical Journal_, October 3, 1903.

[179] J. Morris Slemans, "Metabolism During Pregnancy," _Johns Hopkins
Hospital Reports_, vol. xii, 1904.

[180] B. Wolff, _Zentralblatt fuer Gynaekologie_, 1904, No. 26.

[181] Tridandani, _Annali di Ostetrica_, March, 1900.

[182] R. Barnes, "The Induction of Labor," _British Medical Journal_,
December 22, 1894.