• publisher: Ottawa
  • creator: Canada. Dept. of Agriculture. Agricultural Supplies Board Arnason, A. P Glen, Robert King, Kenneth M McMahon, Harold Canada. Division of Entomology
  • contributor: Arnason, A. P. Glen, Robert. King, Kenneth M. McMahon, Harold. Canada. Division of Entomology.
  • years: 1940.
  • pages: 4 p.
  • download: pdf file