^^^^^^^^^^^^^^^ 



W 



lit is furnished with ; the segments of the 



1 into three . head, 



tliorax, and abdomen, \ : \^. 2; ami the 

 usually furnished with \\ 



occur. The more important of the- 

 ceptions . : in the course of the 



following chap: 



-Moncbia. u Tm , METAMORPHOSES 01 la 



ni^ the marvellous fact -led by the study of in 



non :kin than the wonderful transformations which m 



of t: itures undergo. A lar^ r e part of this book is de\ 



ind these changes. In this chapter I wish simply to make 



a fi rali/ations regard in^ the metamorphoses of insects, and 



\v terms which are used in describing these chan 

 MctauiorpJiosis. From the e^i; of a butterfly there 

 emerges a worm-like creature, known as a caterpillar, which has upon 

 superficial examination very little in common with its parents. This 

 and ^rrnvs, and when fully ^rown changes to an ob- 

 ntly lifeless object, the chrysalis. After a time there 

 burst- forth from this chrysalis a butterfly, like that which prodi. 

 In a .similar way, from the e^ laid by a fly upon a p: 

 there hatches, not a fly, but a footless, worm-like ma_L 

 This when fully grown changes to a quiescent object corresponding 

 the chrysalis of the; butterfly. Later from this object there 



a winded fly like that which laid the CL^. Those ins, 

 like the butterflies and flesh-flies, which when they emerge from 

 the ar almost iv : :i form to the adult in 



-'/;///</< metamorphosis. In other words, the 

 of form undergone by the ii. complet 



;///>/</< Mftaittorphosis. Tl: . however, many in 



which after leaving 1 do not undergo such a remarkable change 



;iat indicated abo\,-. A you- 'lopperjust out from 



ni/rd a hopper. It is of coil 



much smaller than the adult, and is not furnished with win^s. Still 



the form of the body i ' ially the same as that of an adult. 



rudimentary win^s appear: and these increase in 



to time till the adult idled. During 



pment there is no point at which the insect pa 



