Walter, Herbert Eugene. Genetics : an introduction to the study of heredity / Herbert Eugene Walter. - 3rd ed. - New York : Macmillan, 1930. - xiii, 359 p. : ill. ; 21 cm. includes index Bibliography : p. 333-339. 342 342 Subjects--Topical Terms: Genetics. Dewey Class. No.: 575.1 / W171g