EXPLANATIONS. 



The information relating to each species is divided into 

 four sections, giving : 



(1) The distribution and abundance * of the species 



in question ; 



(2) The food plants of the larva ; 



(3) The time of appearance ; and 



(4) The favourite places of resort. 



Section (3) , where two months are mentioned thus : 

 " May to July," indicates that the species in question may 

 be seen on the wing from May to July inclusive ; and where 

 mentioned thus : "May and July," with double-brooded 

 species, means the first brood appears in May and the 

 second in July. Of course the time of appearance depends 

 to a certain extent on the forwardness or backwardness of 

 the season. 



* Some species vary as regards abundance ; of these Pieris brassicse, 

 Vanessa po/ych/oros, V. io and V. atalanta are examples. 



