30. KINGSBURY, B. F. Professor of Histology and Embryology, Cornell
University, Ithaca, New York.
31. WALKER. Arch. f. Anat. u. Entwicklungsgesch., 1899, und Arch. f.
Anat. u. Physiol. 1899.
32. BOETTCHER, W. On the Significance of the Secretions of the Male
Accessory Genital Organs. Münch. med. Wchnschr. 1920, 67, 1, p.
44.
33. EDITORIAL. Jour. of Amer. Med. Assoc., LXXVII, No. 1, 42, July 2,
1921.
34. REYNOLDS, E. Fertility and Sterility. Jour. of Amer. Med. Assoc.,
LXVII, 1193–1199, October 21, 1916.
35. CARY, W. H. Examination of Semen With Special Reference to Its
Gynecological Aspects. Amer. Jour. of Obstetrics and Diseases of
Women and Children. LXXIV, No. 4, 1916.
36. WOLF, C. G. L. The Survival of Motility in Mammalian Spermatozoa.
Jour. of Physiol. IV, 246, August 3, 1921.
37. BROWN, J. H. The Use of Blood Agar for the Study of Streptococci.
Monograph of the Rockefeller Institute for Med. Res., 1919, IX.
38. GARNETT, J. B., and others. The Surgical Treatment of Sterility due
to Obstruction at the Epididymis Together with a Study of the
Morphology of Human Spermatozoa. Univ. of Penn. Med. Bulletin,
March, 1902.
39. REYNOLDS, E. and MACOMBER, D. Defective Diet as a Cause of
Sterility. Jour. of Amer. Med. Assoc., LXXVII, 169, July 16,
1921.
40. NOVARRO, P. A. Tissues of the Testicle and Antaminosis. Gazetta
degli Ospedali (Milano), 1920, XLI, 424.
41. WILLIAMS, W. L. Observations on Reproduction in a Pure Bred Beef
Herd. Cornell Veterinarian. January, 1922.
42. BELL, W. B. Correlation of Function: With Special Reference to the
Organs of Internal Secretion and the Reproductive System. Brit.
Med. Jour., 1920, 1, 787.
43. BROWN, W. L. The Principles of Internal Secretion. Brit. Med. Jour,
1920, II, 687–691.