|| A large group of original offprints by C. D. Darlington English biologist, geneticist and eugenicist. First edition. In original wraps mostly. One inscribed and signed with initials by the author to fellow scientist Franz Schrader Columbia University Zoology Professor, who has added his ownership signature to many copies. Others have the ownership stamp of J. T. Baldwin Jr., . In very good condition mostly. Some of the titles included: A Comparative Study of the chromosome complement in Ribes (1929); * Ring-Formation in Oenothera and other Genera (1929); Polyploids and Polyploidy (1929); Variegation and Albinism in Vicia Faba (1929); Chromosome Behaviour and Structural Hybridity in the Tradescantiae (1929); Section G. Genetics adn Cytology (1930); Studies in Prunus (1930); Meiosis (1931) some splitting to spine, tear to front cover, else good; The Cytological Theory of Inheritance in Oenothera (1931); list of other titles in this collection available for the asking. Please email. "Cyril Dean Darlington FRS (19 December 1903 - 26 March 1981) was an English biologist, geneticist and eugenicist, who discovered the mechanics of chromosomal crossover, its role in inheritance, and therefore its importance to evolution." Wikipedia.