APPENDIX II. 



3G0 



and the vine. Wlien it has acquired complete development 

 toward the end of May, it presents tlie following appearance : 

 The male (a, Fig. 101) appears in the form of a little raultipede 



t, 



Ff 



r 



Fig. 101. , 



or woodlonse covered with white dust. The female appears 

 like a little brown shell, b, adhering very firmly to the branches 

 of the trees. About this time the males impregnate the females 

 and die. The females lay their egjs directly, and the eggs 



16* 



