VI 
INTRODUCTION 
everyday language. Except in a very 
general way all remedies for pests are 
unmentioned — nobody’s patents being 
brought before the public— the desire being 
simply to spread knowledge and, I trust, 
even affectionate respect for some of these 
wonderful little treasures which surround us 
on all sides. The simple illustrations may 
be imperfect microscopically, but they are 
only intended to help in the identification 
of each creature of which mention is 
made. The actual size of the insect is 
indicated by the scale given at the side of 
each illustration. 
H.G.S. 
