146  Dr.  haygarth’s  Obfervations  on  tbe 
That  the  center  is  the  moft  healthy  part  of  the  city; 
that  a lefs  proportion  die  annually  here  than  in  moft 
country  villages ; and,  as  far  as  obfervations  have  hitherto 
been  made,  that  it  is  probably  as  healthy  as  any  fpot 
upon  earth,  are  furprizing  fadls : yet  thefe  fadts  are 
clearly  evinced  by  the  united  evidence  of  lix  feparate 
diftridts  taken  on  a medium  of  ten  years.  Some  conjec- 
tures, fupported  by  a few  fadts,  are  hazarded  concerning 
the  caufe  of  unhealthinefs  in  the  fuburbs.  Future  ob- 
fervations of  a like  kind,  in  different  fituations,  will  con- 
fute or  confirm  thefe  conjedtures,  which,  if  true,  may 
be  of  great  importance  to  fociety  by  difcovering  and 
avoiding  the  fource  of  difeafe.  Towns  divided  and  num- 
bered in  feparate  diftridts,  compared  with  their  refpedtive 
regifters,  and  illuftrated  with  a defcription  of  every  cir- 
cumftance  peculiar  to  each,  that  may  be  fuppofed  to  in- 
fluence health,  might,  by  a numerous  indudtion  of  fadfs, 
lead  to  a certain  inveftigation  of  the  caufe  that  renders 
towns  fo  generally  unhealty.  A diligent  and  fagacious 
attention  to  this  fubjedt  might  produce  a difcovery  how 
to  make  towns  as  healthy  as  the  country : a difcovery  of 
the  moft  beneficial  confequence  in  this  age  of  elegant 
refinement  which  colledts  the  greateft  part  of  mankind 
into  large  towns. 
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