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iliewn at fg. 1 7 ; the wings alfo are covered with feathers. Fig, 

 18, is one of the wings of the lize it appeared to the naked eye; 

 ^g. 19, ABC, is the fame wing fomewhat magnified, in order to 

 Ihew, not only that the whole border of it, ABC, is covered with 

 large and fmall feathers, but alfo the nerves or bony parts, D DDD, 

 whicli give llrength to the wings. One of thefe feathers magnified^ 

 is lliewn zt Jig. 20. The membrane or thin Ikin between thefe parts, 

 appears, when viewed by the microfcope, to be covered with a great 

 number of exceedingly minute particles elevated above the Ikin, and 

 thefe, upon a clofer examination, I found to be, in truth, hairs : 

 they are to be feen at fig. 2 1 , which is a Iketch of a fmall portion of 

 the whole wing. ABC, arc the feathers on the border, and AD E C, 

 the hairs on the membrane of the \^'ing. 



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