[EMBRYOLOGY & REPRODUCTION: HUMAN AND ANIMAL]. -- KEIBEL, Franz (1861-1929) & Franklin P. MALL (1862-1917), editors. Manual of human embryology. Philadelphia & London: J.B. Lippincott, 1910-1912. 2 volumes, 4o. Numerous text illustrations. Original green cloth, gilt-lettered spines. Provenance: Herbert M. Evans (signature and stamp). FIRST EDITION IN ENGLISH. The present work, written by European and American experts "has not yet been superseded" (DSB). Garrison-Morton 526; Norman 1203. -- KEIBEL & MALL, editors. Handbuch der Entwicklungsgeschichte des Menschen. Leipzig: S. Hirzel, 1910-1911. 8o. Numerous text illustrations. Contemporary half black morocco, (boards scraped, joints on Vol. II broken). Provenance: Herbert M. Evans (signature and stamp). FIRST EDITION IN GERMAN. Norman 1204. -- HIS, Wilhelm (1831-1904). Unsere Krperform und das physiologische Problem ihrer Entstehung. Leipzig: F.C.W.Vogel, 1874. 8o. Text wood-engravings. Contemporary boards, gilt-ruled spine. Provenance: Dr. G. Koch, Wiesbaden (bookplate & stamp). FIRST EDITION. The first scientist to seek a causal explanation of embryonic development. Garrison-Morton 494; Norman 1081. -- WEISMANN, August (1834-1914). Die Continuitt des Keimplasma's als Grundlage einer Theorie der Vererbung. Jena: Verlag von Gustav Fischer, 1885. 8o. Original gray printed wrappers, uncut; modern cloth case (minor tears and losses). Provenance: stamp: "berreicht vom Verfasser" stamped on front wrapper; Bibliothque de France, Socit Nationale d'Acclimatation (stamps on front wrapper and last page of text). FIRST EDITION, PRESENTATION COPY. Weismann's assertion of the place of the germ plasm within the cell nucleus, which he believed played the major role in the transmission of hereditary characteristics. Norman 2195. -- ALLEN, Edgar (1892-1943). The Menstrual Cycle of the Monkey, Macacus Rhesus: Observations on normal animals, the effects of removal of the ovaries and the effects of injections of ovarian and placental extracts into the spayed animals. Offprint from: Contributions to embryology, Carnegie Institute, Washington, Vol. 19, 1927. [N.p., n.d.] 4o. 13 halftone plates. Original buff printed wrappers. Provenance: Herbert M. Evans (stamp on front wrapper). FIRST EDITION, offprint issue. "The begining of modern knowledge of the menstrual cycle. Allen showed that uterine bleeding occurs as a withdrawal effect when oestrogen ceases to act on the endometrium" (Garrison-Morton 1185); Norman 38. -- ROUX, Wilhelm (1850-1924). Beitrge zur Entwicklungsmechanik des Embryo. No. 5 Ueber die knstliche Hervorbringung halber Embryonen durch Zerstrung einer der beiden ersten Furchungskugeln. Offprint from: Virchow's Archiv fr pathologische Anatomie 114 (1888). Berlin: Georg Reimer, 1888. 8o. 1 lithographed folding plate, 1 chromolithographed folding plate. Original gray printed wrappers. Provenance: Professor C. Daneste (presentation inscription on front wrapper "Herrn. Prof. C. Daneste Verehrungsvoll d. Vf."). FIRST EDITION, offprint issue, PRESENTATION COPY. "His work on the production of half-embryos initiated a turning point by shifting emphasis from descriptive to experimental embryology" (Garrison-Morton 505); Norman 1851. -- MORGAN, Thomas Hunt (1866-1945). The development of the frog's egg. An introduction to experimental embryology. London & New York: Macmillan, 1897. 8o. Numerous text illustrations. Original green cloth. Provenance: Herbert M. Evans (signature dated 1903 on front free endpaper, ink-stamp on title, pencil notes on rear free endpaper). FIRST EDITION. First work in English on experimental embryology. Garrison-Morton 514; Norman 1550. -- Another copy. Provenance: Gavin de Beer (1899-1972), embryologist and biographer of Darwin (stamp on front free endpaper). Norman 1551. -- LONG, Joseph Abraham (b. 1879) and Herbert McLean EVANS (1882-1971). The Oestrous Cycle in the Rat and its Associated Phenomena. Berkeley: University of California, 1922. 4o. 11 photographic plates. Original blue cloth, gilt-lettered front cover. Provenance: C.E. Gray (inscribed on front free endpaper: "To Mr. C.E. Gray in grateful appreciation of his interest and aid in these studies Herbert M. Evans Sept. 9, 1922", title signed by both authors). FIRST EDITION, PRESENTATION COPY. Norman 1387. -- McGEE, Lemuel Clyde (b. 1904). The effect of the injection of a lipoid fraction of bull testicle in capons. Offprint from: Proceedings of the Institute of Medicine in Chicago 6 (1927). 8o. Text halftones. Original blue printed wrappers. Provenance: Herbert M. Evans (presentation inscription on front wrapper; "With compliments from F.C. Koch" (Koch had been involved in the first extractions of potent androsterone). FIRST EDITION, offprint issue. Garrison-Morton 1187; Norman 1405. (11)