07t the Anhnal Calculus. 229 
Progrefs of the Urine being in fome degree 
retarded, it has more time to depofire its Tar- 
tar in thofe fmall J)u£ts in the PapilLx, where 
it is thought the firfl: minute Beginnings of 
Gravel are ufually formed 5 it being in Diffec- 
tions found there. 
7. ^/. Might not thefe Inconveniences be 
in fome meafure obviated, by laying as Soldi- 
ers do in their Barracks^ not in a horizontal 
but in a reclined Pofture, with the Head and 
upper parts of the Body confiderably higher 
than the Feet and lower Parts ? 
. 8. In this Pofture the Urine flowing more 
eafily down the UreterSy would not only mor® 
readily carry its tartarine Recrement along with 
it 5 but its Preflure againfl: the Orifices of the 
excretory DuBs being thereby taken olF, it 
would more readily and in greater Plenty be 
feparated from the Blood : For which Reafon 
it feems not improbable that an ereft Pofture 
of the Body may contribute fomething, a. 
mong other Caufes, that are with good Rea- 
fon ufually afligned, for the greater Flow of 
Urine in the Day time, than in the Night. 
5>. The Care Nature has taken to preven^ 
the Urine’s regurgitating from the Bladder, by 
means of Valves placed at the lower Orifices 
Q. 3 of 
