Christensen, G. C. and Dougherty, R. W. A Simplified apparatus for obtaining semen from dogs by electrical stimulation. J.A.V.M.A., 127,50-52 1955. Duffee, F. W. et. al. An electrical Method of Harvesting semen from foxes. Ann. Report Director, Wisc. Agric. Exper. Sta., U. of Wisc., Bull 446, 1937. Dziuk, P. J. Graham, E. F., Donker, J. D. Marion, BBy & Peterson, W. E. Some Observations in the Collect- tion of Semen from Bulls, Goats, Boars, & Rams by Electro-ejaculation. Vet. Med. 49, 455-458, 1954. Gunn, R. M. C. Fertility in Sheep, Articucial Production of Seminal ejaculation and the Characteristics of the Spermatozoa contained therin. Council for Scientific and Industrial Research, Commonwealth of Australia, Bull 94, 1936. Hi11, H. J., Scott, F. S. M., Homan, N., and Gassner, F. X. Electro-ejaculation in the Bull. J.A.V.M.A. 128523755 195673 Mastroianni, L. Manson, W1 A. Collection of Monkey Semen by Electro-ejaculation, Proced. Soc. Exp. Biol. Med. 112, 1025-7, 1967. Salisbury, G. W. and Van Demark, N. L., Physiology of Reproduction and Aritifcial Insemination in Cattle. San Francisco and London, W. H. Freeman and Co., 639 p., 1961. Sobrero, A. J. Technique for induction of ejaculation in humans. Fertility & Sterility 16, 765-67, Nov.-Dec., 1965. Wislocki, G. B. Seasonal Changes in the Testes, Epididymides and Seminal Vesicles of Deer Investigated by Histochemical Methods. Endocrinology, 44, 167-189, 1949. 1004