144 



ETON NATURE-STUDY 



considerable resemblance to the 

 tiny crocodile (see figure 245). 

 After consuming a large num- 

 ber of aphides or green-flies, 

 and changing its coat several 

 times to keep pace with its 

 growth, the larva attaches 

 itself to a leaf and once 

 more shuffles off its skin. 

 Now a pupa, it has a peculiar 

 rough appearance, and on being 



FIGURE 245. The larva of a Lady-bird. 



disturbed, raises the free end 

 of its body (see figure 246) 

 several times in quick succes- 

 sion, apparently with the idea 

 of frightening its enemy away. 

 From the pupa, the adult lady- 

 bird in course of time is pro- 

 duced (see figure 247). 



in studying life histories, 

 drawings and, where possible, 

 photographs, should in all cases 

 be made, and careful notes as 

 well. The evenings may be spent by the lover of insects in 



FIGURE 246. The pupae of a Lady-bird. The 

 example on the right-hand side shows the 

 position occupied by the pupa when dis- 

 turbed. 



