76 P L A T E C. 



The Caterpillars of this fpecies are found in their laft fkin about 

 the latter end of May, or early in June ; they change into chryfalis a 

 few days after. The Moth is produced in Auguft. 



In the Caterpillar ftate they are met with in great plenty, either on 

 the crab tree, black thorn, or white thorn ; but are not fo abundant 

 in the laft ftate, as many perifli when in chryfalis, 



They change into chryfalis within a hard cafe, which they fallen to 

 the fmall flems of trees. 



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