[A] For fuller particulars see Guernsey's Obstetrics, 3d edition, pages 79–89, inclusive.

[B] For fuller particulars see Guernsey's Obstetrics.

[C] Lallemand and Wilson, page 140.

[D] Lallemand and Wilson.

[E] Wm. Acton, M. R. C. S.

[F] Fourth American Edition, P. 97.

[G] Lallemand and Wilson, page 192.

[H] Clarke: “Sex in Education.”

[I] See “In Health.” By Dr. A. J. Ingersoll, Corning, N. Y.

[J] Wm. Goodell, M. D., “Lessons in Gynecology,” P. 442.

[K] See Guernsey's Obstetrics, 3d edition, on Reproduction.