Published by Reprinted from Annual Report of the Director of the Departmnet of Genetics, Carnegie Institution of Washington Year Book No. 47, for the year 1947-1948, pages 169-176, 1948
Pamphlet. Condition: Good. Prompt Shipment, shipped in Boxes, Tracking PROVIDEDOffprint. Staple binding, previous owner wrote on upper left hand side of cover page, Reprinted from Annual Report of the Director of the Departmnet of Genetics, Carnegie Institution of Washington Year Book No. 47, for the year 1947-1948, pages 169-176.