^S PLATE CXXXVI. 



a6ls in perfe£lunifon with the reft ; in moft winged Infe£ls we find 

 the tendons of each wing united by ftrong membranaceous webs, 

 which prevent any one from a£ling without the others, but in this 

 every tendon muft perform a diftin6l part, and yet perfe6lly in 

 confonnity with the reft to alTift the Infeft in its flight. Wiien the 

 Infe6l refts the feathers fold over one another j but when it flies, 

 they are thrown open, and refemble a full expanded fan. 



The natural fize of this fmgular creature is given at Fig. i. and 

 as a more corre6l figure than can be fhewn in fuch a fmall compafs 

 was thought neceflary, its magnified appearance is reprefented at 



Fig. 2. 



i 



The plumes of this Infefl differs fo much from thofe of other Moths, 

 that we have alfo added, at Fig. 3, the appearance of the upper part of 

 one, as feen by a very deep lens of the Microfcope ; by this the ftem 

 or qujl is obferved covered with fcales of the form ufually found on 

 other Moths, but the fides are finely feathered with long hairs, in 

 tufts, alternately of a light and dark colour, and which, owing tq 

 the minutencfs of the Infe6l appear like patches of an uniform 

 colour, before it is examined with the Microfcope. 



This Infeft is not uncommon in Summer, it flies about hedges 

 in the evening, 



PLATE 



