18 



CONVERSATIONS ON 



" Nothing very strange, boys ; but we have 

 found out two tools, I think, a saw and a rasp, 

 and that is enough for one poor little fly to 

 give us. Here, boys, are pictures of these 

 saws ; I have made them a great deal larger 

 than they are in the fly, so that you can see 

 them plainly." 



Saw of the Saw-fly, with Rasps shown in the Cross-lines. 



Portion of the Saw-fly's comb-toothed Rasp, and Saw. 



