INSECTS AT WORK AND PLAY. 123 



some distance away. The apparatus was changed 

 again and again, with precisely similar results. 

 At last, when on the verge of despair, it occurred 

 to our photographer to focus one favourite flower, 

 and then pull up all the others right round about, 

 and within half an hour of this being done the 

 illustration opposite was secured. 



The frontispiece to the present work was 

 secured more or less by accident. We suffered 

 a very sudden fall in the temperature one after- 

 noon in September, 1901, on the Surrey hills, 

 and the butterflies were so benumbed by the 

 cold that they were compelled to go to roost 

 practically wherever they found themselves. 

 Going for a walk in the evening, I discovered 



PEACOCK BUTTERFLY. 



