كتب ذات صلة

The "wilt disease," of "flacherie," of the gypsy moth.

Suppression of the gipsy and brown-tail moths and its value to states not infested ...

Some timely suggestions for the owners of woodlots in New England.

Results of spraying experiments against caterpillars of the gypsy and brown-tail moths

• The utility of birds
  المؤلفون: Forbush, Edward Howe
• Useful birds and their protection. Containing brief descriptions of the more common and useful species of Massachusetts, with accounts of their food habits, and a chapter on the means of attracting and protecting birds.
  المؤلفون: Forbush, Edward Howe
• Useful birds and their protection : containing brief descriptions of the more common and useful species of Massachusetts, with accounts of their food habits, and a chapter on the means of attracting and protecting birds
  المؤلفون: Forbush, Edward Howe