A Foreign Invasion of England 299 



The succeeding illustnitions show you in detail 

 the various sta<;es in the process of emerji^ence. 

 No. 8 gives you tlie beginning of emancipation. 

 The pupa has here bitten its way tluough the leaf- 

 sheath with its hard, 

 horny jaws, and is pro- 

 truding visibly. Ju.^t at 

 first, only the head itself 

 gets free ; then the in- 

 sect rests a while after 

 its ardous labour, and 

 begins wriggluig and 

 writhing again, this 

 time working out its 

 body or thorax. After 

 another short interval 

 for recuperation after 

 such a terrihc effort, it 

 manages to pull its legs 

 through the hole, and to 

 support itself upon them 

 by resting them like a 

 bracket against the stem 

 of the barley. This is 

 the point just reached 

 in the illustrati<^n No. 8. 

 There the pupa stops 

 short, having got himself 



into a convenient positit)n for dispensing with his 

 coverlet ; for the sheath of the barley grasps the 

 pupa-skin tight as in a vice, and he can wriggle 

 his winged body free within it, without paying 



NO. 7. -TItK n IMHINO VVVA ; 

 BKUIW, THE KMI'IY CASE. 



