C 78 } 



capable, as before, to fupply either body, or 

 bark with. 



Further, no part of my fabjedt af- 

 fording fo much room for conjecture, or 

 Ipeculation, as what I am now upon ; there- 

 in being fo many via invice to the fenfes : 

 The fame Hkewife affording many arguments 

 for the neceffity of the operations recom- 

 mended ; I am tempted to rely on the in- 

 dulgence of the moft knowing readers to 

 grant me the favour of their attention, to a: 

 more efpecial breviary of that kind. I truft 

 not, thro' vanity, to the authority of my 

 continual leifure, long application, or natu- 

 ral biafs to things of this nature, to lefTen 

 any man's freedom of judging 3 whether 

 verfed, or not, herein : Yet I cannot think fo 

 llightingly of many of my notions, but fome- 

 thing may be feleded out of them by the- 

 mindful, that may be of future ufe : If not 

 there will this good come of it, it will teach 

 all others of my Size — to keep their ideas 

 without Static proof to themfelves. Still I 

 hope not to proceed upon fo airy a founda- 

 tion, that no folid fuperftrudure will ftand 

 upon it ; it being my intent to go in ftridl 

 fearch, firft, of the more numerous caufes 



of 



