(10^0) 
Dr. WtUi^ zffcrts the former, and ob)e£):sagainft the 
latter, of which, the Vindication is undertaken in this 
Epijile 5 wherein it is confidercd among divers other 
things. I . That the Hyfterick Paflion is not always 
accompanied with Convulfions ; where alfo the ex- 
iftence of the Succus nutritim (^on which Dr. Willis 
his Doftrine feems to depend) is called in qucftion, 
and feveral Arguments alledged to the contrary. 
2- That, i[ the Shcchs nutr it im in the Nerves ^ be 
by a violent explofion dilated, and that by the means 
of Fixed Salts mixed mth^ Nerz^es with Acid ones 
(according to Dr. Willis the fame may happen up- 
on the Concurrence and ConfliS: of the like Salts in 
the Blood. 
^Concerning the Hypochondriack^Pajpon^the Queftion 
between thefe two PhyfitianSjis, Whether the lirft and 
chief caufe of that diftemper, be the Weaknefs and 
Laxcnefs of the tone of the Stomach and its Fibres , 
whereby a vicious Chyle and Blood is generated^that 
caufes fuch a Fermentation , upon which doenfue 
Trembling and Palpitations of the Heart^Swoundings, 
Fear, Sadnefs ? &c. This is affirmed, and here far- 
ther 2\&ttcd by our Author,but denied by Dr. IVillis , 
concerning which ^ the Reader will finde the beft fa- 
tisfaftipn in perufing the Writings themfelves of 
bothpMies. - ^ ' , : j ; 
In the mean Hift'e he may pleafe to talcE notice here, 
that Dr. Highmore in this Ep//?/^, Interfperfes fomenot 
inconfiderable Remarks concerning the ^fe of the 
Spleen^ which part he endeavors to free from thofe 
im- 
