126 OF PERSPIRATION. 



hydrogen uniting with the oxygen of the atmosphere 

 and assuming the liquid form. 



195. Upon the same hydrogen, variously modified by 



the accession of other elements and constituents, would 



** 



seem to depend the natural and peculiar odour perceived 

 in the perspiration and sweat of certain nations and in- 

 dividuals.* 



196. The quantity of matter perspired from the inte- 

 guments which, in a well grown adult, are equal to 

 15 square feet, cannot be accurately estimated, but is 

 probabJy about two pounds in 24 hours. -j- (D) 



NOTES. 



(A) One of this family has just been exhibiting himself in 

 Bond Street. He is thirty years of age and states himself to 

 belong to the fourth generation of the descendants of a savage 

 who was found in the woods of America and had the same con- 

 dition of skin. It is transmitted to every male without exception 

 in the male line, but has never appeared in the females or their 

 male offspring. The horny warts first show themselves at two 



* Fr. L. Aiidr. Koeler, De. Odore per cutim npirantc in statu sano ac mar- 

 buso. Getting. 17.94. 4to. 



f The balance employed by Sanctorius to estimate the loss of perspired 

 matter, is described in his Comm. in PRIMAM Fen PRIMI L. Canon. AVICENX^E. 

 Venet. 1646. 4to. p. 781. 



Another much simpler and better adapted for the purpose, is described by 

 Jo. Andr. Segner, De Libra, qua sui quisque corporis pondiis e.rplorare posset. 

 Getting. 1740. 4to. J. A. Klindworth, an excellent Gottingen instrument- 

 maker, altered this at my suggestion, and rendered it more convenient and 

 accurate. 



