• publisher: Carnegie institution of Washington
  • creator: Charles Benedict Davenport
  • contributor: unknown library
  • mediatype: texts
  • years: 1915
  • pages: 169
  • language: English
  • lccn: 16000780
  • notes: "Paper no. 24 of the Station for experimental evolution at Cold Spring Harbor, New York"--T.p. verso.
  • download: pdf file