Birds useful and birds harmful

This exciting work on birds and plant culture gives a well-structured study of the economic importance of birds in their relation to agriculture. In addition, this book is enriched with illustrations that will help the readers retain information quickly.

Contents include:

Useful or Harmful

The Structure of the Bird

Workers on the Ground

In the Air and on the Trees

The Farmer's Summer Friends

Workers all the year round

Some Wildfowl

Some of the Falconidæ

The Rational Protection of Birds