A TREATISE 



andreacheth not fb high of the ftomacke : and thus at length^ 

 the refidue and thicker fiibftanee of the meat , after the thinneft 

 is. got out infteame, and the middling part is boyled over IJQ 

 liquor , commeth to prefl'e and gravitate wholly upon the ori- 

 fice of the ftomackci which being then helped by the figure 

 and lying of the reft of the ftomacke , and its firings and 

 mouth relaxing, by having the juice which fwelled them,iquee- 

 zed out of them; k openeth it felfe, and giveth way unto 

 that which lay fo heavy upon it , to tumble out. In others (for 

 example, in a woman with child ) the enclofed fubftance, (re- 

 tained firft by iuch a courfe of nature as we have let downjbrea.- 

 keth it felfe a pafTage by force , and openeth the orifice at which 

 it is to goe out by violence , when all circumftances are ripe ac- 

 cording to natures inftitution. 



7^ But yet there is the expulfton which i made by phyficke. 



Concerning that requiretha.little declaration. It is of five kinds: vomit- 

 cxpvlfion made t j n g purging by ftoole, by urine, {"wearing, and fa'ivation. E- 

 Vy Pajrfckc. very one Q f ^[^ ^ f e emeth to confift of two parts , namely., 

 the diipofition of the thing to be purged, and the motion of the 

 nerves or fibers for the expulfion : as for example , when the 

 Phyfitian giveth a purge , it worketh two things : the one is, to 

 make fome certaine humour more liquid and purgeable then 

 the reft ; the other is> to make the ft omacke or belly, fucke or 

 vent this humour. For the firft, the property of the purge muft 

 be to precipitate that humour out of the reft of the blood; or if 

 ' it be thicke, to diflblve it that it may runne eafily. For the fe- 

 cond, it ordinarily heateth the ftomacke ; and by that meanes 

 it cauieth the ftomacke to fucke out of the veines , and fo to 

 draw from all parts of the body. Be/ides this j, it ordinarily 

 filleth the belly with winde , which occafioneth thote ^jripings 

 men feele when they takcphyfickj and is caufeoftheguts 

 difcharging thofe humours, which otherwise, they would 

 retaine. 



The like of this happened in {alivation; forthenumoursare 

 by thefamemeans brought to the ftomack,and thence /iiblimed 

 up to be fpitten out : as- we {ee in thofe , who faking Mercury 

 iflto their body , either in fubftance or ih-fmoke, or by applica- 

 tions doe vent cold humours from any pact; the Mercury rifing 

 /com all the body up to the mouth of the patient, a$ to the kelm 



V 



