26o 



REMARKS 



O N 



X H E 



CAUSES texture, are likewife coloured blackilh. Meckel M^tCiSy that the 



blueilli liquor which colours the medullary fubflance of the brainy 

 and fo eafily evaporates in negroes, contributes towards the dark 



■1 



complexion of the mucous membrane of the cuticle,, being 



OF VARI- 

 ETIES. 



fe 



ted by the cutaneous nerves into the vifcous reticular fub 



fiance. 



But let us now invefligate the caufes of this phasnomenon in ne^ 



groes ', 



have already indicated the three moft flriking caufes ;, 



we nave as 



the expofure to the air,, is undoubtedly one of the moll; powerful r 

 for do we not fee this daily proved in our own climate j our 



ladies 



id other people who are little expofed to the action of the air, hav 

 fair complexion; whereas 





the common labourers 



brown and 



tawny ; nay our bodies furnifii us with fufficient proofs ; thofe parts 



L 



which are conftantly covered, are fair and delicate, but the hands 



being conflantly expofed to the a<^ion of the 

 hue. 



*air, acquire a- darker 

 The negroes live in- a climate which permits them to wear 

 little or no covering at all ; accordingly, we really find all the ne- 

 groes naked, or very flightly covered, which undoubtedly muftinr- 

 creafe the black colour of their fkin. The Taheiteans, the 

 faireft of all the iflanders in the South Sea, go alraoft conflantly 



■ w 



drelTed and covered. The inhabitants of Tanna, New Caledonia, 

 and Mallicollo, on the contrary are always naked, and expofed to- 

 the air, and therefore infinitely blacker thaa the firfl. 



The 



