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XXXIII. — On the Natural Eocpedients resorted 
to by Mark Yarwood, a Cheshire Boy, to 
supply the Want which he has sustained from 
Birth, of his Fore-Arms and Hands, 
Bj S. HiBBEET, M. D. F. R. S. E. M. W. S. he 
{Read 11th January 1823.) 
Before entering on the narrative which I beg leave 
to submit to the Society, I shall venture to make a few 
general observations relative to cases of organic privation. 
In describing the means employed by any individual to 
remedy the loss of certain organs of the body, I consider 
that the term natural eocpedients ought to be used in con- 
tradistinction to the mechanical or uftificial devices which. 
may be resorted to with the same object in view : for, while 
die devices termed mechanical are produced by the improve- 
ments of science, or the requisitions of civilized society; those 
expedients, on the contrary, which may be strictly compre- 
hended under the designation of natural, are such as would 
first suggest themselves to man in the untaught infancy of 
life, or would be adopted by him, to the exclusion of arti- 
ficial contrivances, in a savage state. In fact, they are 
exertions of certain organs of the body substituted for other 
parts, the object of which is to compensate for the priva- 
