[ 39i ] 
geriem e plurlmis quafi fpiculisbrevifTimis,acutifiimis, 
minimis: habebitur etiam explicatio illius hypothefis, 
qua vim purgantium & emeticorum prsecipue rationc 
mechanica explicando, fingendo fpicula talia, cuneo- 
lorum rationem habentia (forfan & aculeorum, quales 
in viva inermi etiam oculo apparent urtica, fatis fen- 
fibiliter vivum, cui applicantur, humanum corpus irri- 
tantes), qux motu ventriculi periftaltico iteratis vici- 
bus mufculofse illius tunica, utut mediate applicita & 
impadta, tumque perpetuo hoc motu hue agitata illuc- 
que, motrices fibras pungant, ftimulent, & ad infoli- 
tam fortiorem contra&ionem excitent, licet interim 
ego certe nolim adhuc hypothefin hanc pro veritate 
vendere demonftrata, utut appareat fpeciofa etiam his 
microfcopicis obfervationibus ! 
XI. Remarks on the Operation of Cutting for 
the Stone ; by Claud. Nic. Le Cat, M. 2). 
F. R. S. Surgeon to the Hotel Dieu at Rouen, 
and Royal c Demonftrator in Anatomy and 
Surgery. Tranfated from the French by 
T. S. M. D. F. R . S. 
at 
Article I. 
Rtad at fewral Meetings ; ft LL the Methods of Cutting 
fnijhed May i . 1745. for the Stone may be com- 
modioully divided into the high Apparatus [or Ope- 
ration] wherein the Incifion is made above the Os 
Pubis > and into the low Apparatus , wherein the 
Incifion is below the Os Pubis and Scrotum. In the 
firft, the Stone is extra&ed through the upper Open- 
Ddd z 
ing 
