46 P LAW BoeCxx Xvi. 
acts in perfect unifon with the reft ; in moft winged Infects we find 
the tendons of each wing united by ftrong membranaceous webs, 
which prevent any one from acting without the others, but in this 
every tendon muft perform a diftin& part, and yet perfectly in 
conformity with the reft to affift the Infect in its flight. When the 
Infect refts the feathers fold over one another ; but when it flies, 
they are thrown open, and refemble a ful! expanded fan. 
The natural fize of this fingular creature is given at Fig. x. and 
as a more correct figure than can be fhewn in fuch a fmall compafs 
was thought neceflary, its magnified appearance is reprefented at 
Fig. 2a 
The plumes of this Infect 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 quil 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 minutenefs of the Infect appear like patches of an uniform’ 
colour, before it is examined with the Microfcope. 
This Infe& is not uncommon in Summer, it flies about hedges 
in the evening. 
PLATE 
