كتب ذات صلة

Reduction of domestic mosquitos instructions for the use of municipalities, town councils, health officers, sanitary inspectors & residents in warm climates.

The reduction of domestic flies

Reduction of domestic mosquitos instructions for the use of municipalities, town councils, health officers, sanitary inspectors & residents in warm climates.

The plague: bacteriology, morbid anatomy, and histopathology, including a consideration of insects as plague carriers

• Two common scale-insects of the orchard : the scurfy bark-louse, the oyster-shell bark-louse
  المؤلفون: Britton, Wilton Everett
• Spray treatment, etc., for orchards
  المؤلفون: Clinton, G. P. ,  Britton, Wilton Everett
• Spray calendar
  المؤلفون: Clinton, G. P. ,  Britton, Wilton Everett