[ 3*4 I 
CoroL 2. 
Hence it appears, that the Galenic diftinilion of 
serves, into nerves of fenfation and nerves of motion,, 
which greatly puzzles phyliology, has no real foun- 
dation in an animal body. 
A Jhort fchoUian . 
The folution, that is given to the problem, may. 
be affumed in a philofophical fynthefis, and the va- 
rious appearances may thence be announced, as well 
in natural as in morbid cafes ; which again may be 
fubjeiled to a ftriit examination. Some trial has 
been made of this, and a furprifing agreement found : 
but the detail muft be omitted. In the courfe of 
r 
this inquiry, every foreign difquifition is induftrioufly 
avoided, and fuch at this time would be a further 
queftion, Why blood, in a certain, or apparent, 
degree of heat, contrails a mufcular fibre ? 
The bufinefs of natural philofophy is, to obferve, 
and to note down fails, that are conftantj and 
fingling out thofe that are fimilar, to colleft their 
proper univerfal, by a fair and regular induilion ; 
and to acquiefce in this, till a new colleition of con- 
ftant and fimilar fails affords an higher univerfal) and 
leads nearer the firft caufe. 
Oftober \ 6 , 1751. 
XL VIII. 
