95 



interest in a subject which is certainly of great importance to 

 farmers and which in the past seems to have been unduly 

 neglected. 



The illustrations used are from photographs and drawings 

 made especially for this publication. Some of them were pro- 

 cured only after the expenditure of considerable time and 

 patience. It is hoped that they will enable the reader to dis- 

 tinguish between the beneficial and injurious species and assist 

 in creating a wider interest in the matter of encouraging the 

 presence of our animal friends, as well as that of dstroying 

 those species that are hurtful. 



