An introduction to modern genetics, by C. H. Waddington. Waddington, C. H. (Conrad Hal), 1905-1975. Heredity. QH431 .W27 1939 575.1 WAI "Bibliography and author-index": p. [409]-434. London G. Allen & Unwin ltd. [1939] [1939] 1939 Text 2p.1.,[7]-441,[1]p. eng