[ 495 ] 
fttion that the Urine was equally fecreted in all thefe 
Hours, which we know never can be) amounts to 
4 \n die fame Manner have I calculated the Nodfurnal 
Urine of Six Hours, and the Diurnal and Nocturna 
Perfpiration of Six Hours , which ferns very well in 
the following Columns, to (hew their Differences 
where they are compared together. For the Space 
of Time in which the Diurnal Urine and Perfora- 
tion are excreted, is much greater than that in which 
the Nodturnal Urine and Perfpiration are excreted ; 
whence, without comparing them together, by taring 
their Means in equal Spaces of Time, then : Di cr 
would not appear, as it now does in thefe Tables 
fir inthe e Colutiin Viginti qmtuor Hor arum Excreta, 
is the whole Quantity excreted in M Homrs wh.ch 
is found out by adding together the Stoo s and th e 
Urine and Perfpiration of 24 Hours by Calculation , 
whence the exaff Quantity retained, or e contra, in 
every 24 Hours, appear in the tuccccding Two 
Bvftrefe tedious Calculations, I have endeavoured, 
as much as poffible, to prepare the Tables tor Ufe, 
that juft Dcduaions may more eafily be dtawn ftoi 
* hC In the Columns Ciborum Quant it- & Totulen- 
torum Quant it. the Quantities are m Ounces and 
DrachmsT The Weights I have ufed arewg _ 
i Drachm, 8 Drachms = i Ounce, 16 Our 
° n The Cloaths in which I drefs before I weigh 
myfelf are taken care of, fo that their Weight fhall 
* vai y 
2 
