Castle, W. E. Genetics and eugenics : a text-book for students of biology and a reference book for animal and plant breeders / W. E. Castle. - 3rd ed. - Cambridge : Harvard University Press, c 1925. - viii, 434 p. : ill. ; 22 cm. Includes index. 327 327 Subjects--Topical Terms: Genetics.Biology. Dewey Class. No.: 575.1 / C279g