r 173 ] 



fixed only in the fkin on the fides of the back : 

 and thinking it ftrange that the /kin, fimply, 

 fliould have the power to raife, and keep fnp- 

 ported, a large group of long feathers, he afked 

 me if he might open that part of the ikm at the 

 roots of thefe feathers, which I was very willing 

 fhould be done for the fatisfatdion of the Do6lor's 

 curiofity, as well as my own. On opening the 

 fkin, the Dodor foon difcovered the mufcle de- 

 fcribed in his following curious letter, wrote at 

 my requeft, which he has given me free liberty to 

 publilh for the information of the curious. 



S T Red' Lion- S^uare^ Sept, 21, 1750. 



" It is but doing you the juftice due to your 

 great care and induftry, in obliging the world 

 with your excellent Natural Hiftory of Birds y to 

 communicate any thing in my power, which 

 might fulfil your laudable intention of putting 

 what you do in a clear light, for the better un- 

 derftanding of the branch you are engaged in. 



" I have made honourable mention of you, 

 in my ledure upon the mufcles, which I dif- 

 N 2 covered. 



