611.013 C280 v.19 Allen, Edgar, 1892- ... The menstrual cycle of the monkey. Macacus rhesus: observations on normal animals, the effects of renoval of the ovaries and the effects of injections of ovarian and placental exttacts into the spayed animal, by Edgar Allen ... with thirteen plates and one text-figure. (In Carnegie institution of Washington. Contribution to embryology. Washington 1927. 29x23.5 cm. vol. XIX, p. 1-44. illus, 13 pl.) Contributions to embryology, no. 98 Bibliography: p. 1-44Bibliography: pié