200 



HALF-HOURS IN THE GEEEN LANES. 



desired spot, which has been previously selected by 

 the antennae. When the operation of boring has 

 commenced, the "saw-blades" are worked to and 

 fro and from side to side, just as a carpenter would 



Fig. 145. 



Saws ol Allantus alerrimus, x 40. 



carefully use a slender awl. Meantime, for half an 

 hour, tho insect will remain perfectly motionless, all 

 its force being utilised in the important duty of 

 boring a hole for the deposition of its eggs. 



