7 6 PLATE CCLXXXI. 



Oftober, it fpins a very extrordinary kind of covering on a leaf of 

 the oak, and becomes a pupa within. This covering fomewhat re. 

 fembles a tent, or rather an inverted boat, being fhuttle formed, and 

 having a keel, or longitudinal ridge along the upper part : its colour 

 is yellowifh brown ; the pupa is purple. The Moth appears jn 

 the winged ftate in May. 



PLATE 



