LIFE HISTORIES OF INSECTS PHOTOGRAPHS 145 



sugaring trees and obtaining specimens of night-flying forms. Others 

 who have different tastes may mount their captures as suggested in 

 Chapters XII, XXIII, and XXIX. 



Cases illustrating complete life-histories of various species, par- 

 ticularly those of economic importance, that is to say, the friends and 



FIGURE 247. A twin-spot Lady-bird. 



enemies of man, should be prepared ; and by those who do not make 

 systematic collections, series, showing protective coloration and so 

 forth, should be arranged. We should not overlook the fact that 

 some students may be able to make models of larvae, for instance, 

 which it is not easy to preserve in a natural or pleasing condition. 



NATURE-STUDY PHOTOGRAPHS 



Additions may be made to the photographs already taken of 

 birds and their nests. Not only should a pretty picture be 



II K 



