TAILORS 185 



matter : it has only to add new material to the ends. 

 But when the case gets too tight there arises 

 what might appear to be a problem. There are 

 no seams to be unpicked and " let out," but a 

 gusset (we believe that is the correct term) can be 

 inserted which has the desired effect. 



When things have arrived at that pass when a 

 pressure is felt and the further indulgence in food 

 threatens to become inconvenient, the case is 

 deliberately cut along one side from the end to the 

 middle, and in the gap new material is woven. 

 Then a cut is made from the other end also to the 

 middle and new material inserted there. The 

 process is repeated along the other side of the case 

 to preserve symmetry. Result a sufficiently roomy 

 jacket is secured without depriving the owner of 

 its protection whilst the alteration is being effected. 

 The method of using this case without the 

 movements of the caterpillar being impeded is as 

 follows : the insect clings to the silk lining by the 

 claspers on the hind body only. The six legs just 

 behind the head are always kept outside the mouth 

 of the tube, and with these it walks, dragging its 

 case with its body. That is why these cases fail to 

 fall off with only a slight brushing of the garment 

 attacked. Sometimes, however, one gets brushed 

 off without being seen. The mistress of the ward- 

 robe has taken away the blue garment to wear 

 and has knocked off a Clothes Moth caterpillar in 

 its blue case. It climbs up the article nearest to 

 hand, which happens to be red. The result is that 



