MEASURE FOR MEASURE. 



105 



long and todious journey. But they are not reduced 

 to this necessit}', for they have the power of letting 

 themselves down from any height by means of a silken 

 thread whicli tliey spin from their mouths while falling. 

 Whenever they are disturbed they malve use of this 



FIG. 35. — ORGTIA LEUCOSTIGMA, TDSSOCK MOTH. MALE. 

 FEMALE AND LARVA, NATURAL SIZE. — ^/). lOfi. 



faculty, drop down suddenly and hang suspended till 

 the danger is past, after which they climb up again by 

 the same thread." 



" These, then," said the Mistress, "are the little 



