كتب ذات صلة

The reduction of domestic flies

The natural trout fly and its imitation.

The life of the fly with which are interspersed some chapters of autobiography

The house fly, a slayer of men

• The conservation of the wild life of Canada
  المؤلفون: Hewitt, C. Gordon
• Insect food of fresh-water fishes
  المؤلفون: Hewitt, C. Gordon
• Les rats et les souris destructeurs de grain et de vivres
  المؤلفون: Hewitt, C. Gordon

• Supplementary forage crops for the Maritime Provinces
  المؤلفون: Langille, J. E.
• Russian wild ryegrass for western Canada
  المؤلفون: Lawrence, T. ,  Heinrichs, D. H.
• Preparing bees for winter
  المؤلفون: Gooderham, C. B.