5 2 o. Dr. Percivnl on the Effebis of Famine^ &c. 



nofe. But thefe volatile fuhflances are to be fuf- 

 fered, as much as poffible, to rife fpontaneoufly, 

 and not to be drawn forcibly into the noftrils: 

 For by fuch inhalation the noxious atoms, float- 

 ing in the air, will be conveyed to the olfaflory 

 nerves, with additional energy-, and, being 

 lodged in the fchneiderian membrane, they may 

 exert their baneful powers, when, the adion of 

 the antidote fliall ceafe. To this caufe is to Be 

 afcribed that permanency of offenfive fmells, 

 which makes us fenfible to their imprefTion, 

 fome time after our removal from their fource. 

 And, when this imprefilon is no longer per- 

 ceived, in the ordinary courfe of refpiration, it 

 may often be renewed by that effort which we 

 denominate fnuffing. In this way, I apprehend, 

 and not folely from abforption, the fa6t is to be 

 explained which Mr. Howard has related, that 

 his phial of vinegar, after ufing it in a few prifons, 



l^lanchefter Michaelmas Senions, 1784. 

 The niagiftrates of this county, aflemblpd in their gene- 

 ral quarter felTi'ons at Manchefter, impreffed with the obli- 

 gations they are under, have direded the clerk of the peace 

 to give their public thanks to Dr. Pcrcival, Dr. Cowling, 

 Dr. Eafon, and Dr. Chorley j and to take care that their 

 letter ihall be printed and dirtributcd, fo that every part 

 of the community may receive the benefit of their falutary 

 admonition?, a ftridl attention to which is moil earneftly. 

 recommended by the court. By order of the court, 



James Taylor, 

 Deputy. clerk of the peace for the county of Lancafter, 



became 



