e&m ( 
aliqui medici tirones fanguinemque prolixerant, fine 
ullo eorum incommodo eam immiferit. 
Qua nunc paucis enarrata methodo calculum fa p. 55^ 
tis magnum atque durum poft paucorum menfiurri 
fpatium diffolutum iri, ipfumque certe, fi quando 
omnem remediorum vim Taxea eius durities fuperet, 
laeuigari pofle, fperat atque promittit; idque alius 
quoque medici, Cl. rvtherfoord, teflimoniop.dl. 
comprobat, a quo confcriptam calculi, feliciter iam 
dicla 'ratione curati, hiftoriam hic loci adducit; 
omriemque hunc Tuum libellum animaduerfionibus p* 67* 
contra omnes calculum Tecandi modos eorumque, 
quod vix euitari umquam poffit, periculum finit; 
hancque a Te commendatam methodum omnibus re¬ 
liquis praeferendam efie docet; quae omnino, fi eam 
in pofterum etiam probauerit experientia, CL Au- 
ftoris laudes ex merito confirmabit, 
xr, 
A Diflertatioti on the aneient and notedDodri- 
ne of Revulfion and Derivation: wherein 
the Ahfurdity of the Principies , on which 
the Notion of Revulfion was originally foun- 
ded, is evidently demonfirated, and the 
immediate Confequences of Blood letting 
plainly prov^d, both from the Laws of the * 
Circulation, and the obvious Effecls ofthis 
and feveral other fpontaneeu? and artifkial 
Evacuations, in the Cure of Difeafes, to be 
the emptying, exhaufting thofe. Vellels in 
particular, that more immediateiy commu¬ 
nicat® with the Orifice; and confequently 
that ali Drains, whether byBleeding, Idues, 
Setons, etc. fhoud be made near, as they 
S 4 conve- , 
