MEANS OF DEFENCE OF CATERPILLARS, 1&7 



cord with its hinder pair of feet, and then raising its 

 head to the perpend icnhir position again, it thus 

 effects one step, and proceeds in the same manner 

 till it reaches the top. 



Other caterpillars, when they are disturbed, employ 

 a different method of breaking their fall without 

 spinning a tliread, taking advantage, for this pur))ose, 

 of the long hairs which cover their body. Those 

 who have seen a hedge-hog (Erinaceas E^iropceus), 

 when attacked by a dog, roll itself up into a prickly 

 ball, will readii} concei\e the manceuvre of the cater- 

 pillais to which we allude, it being preeiselj similar. 





ms^:^'^'''"'^^ 



\ii' 

 #" 



^y%|||///,^y;;;/^ 



a, Cateip liar of (he tigei moth (^Aictia <\i>n) b, the s.ame, 

 rolled up toi defence t, gniL of the museum-beetle, d, the 

 hame itiagmtied. e, tail of the batne, raagiiihed /, g, Us hairb, 

 lllagnl^^.d. 



