THE FIRST PAPER-MAKER 169 



tant portion. All the work we do with our hands, 

 the wasp does with its complicated mouth-organs. 

 And the wasp's head is such a wonderful mechan- 

 ism, that some little study of the accompanying 

 illustrations, though they may not at first sight 

 look very attractive, will amply repay you. I will 



NO. 8. THE SAME HEAD, MOUTH WIDE Ol'EN : HACK VIEW 

 (DECAPITATED). 



try to explain the uses of each part with as little 

 as possible of scientific technicalities. 



In No. 7 you get the head of a queen wasp, seen 

 full face in front, with the mouth-organs open. 

 The three little knobs in the centre up above are 

 the simple eyes or eyelets (ocelli, if you prefer a 

 Latin word, which sounds much more learned). 



