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 O  F  C O R N   W 'A   L   L.  H g 
 brooding,  as  it were  over  the  treafure underneath.  It  is  fuppofed  
 by  feme  that  this  broil was  cohered  and  depofited: where we  find it;  
 by  the waters  of the  deluge ’ ;  but  i f  the  parts  o£ the  broil werefcr-  
 tuitoufly-caft together,  they wouldnotbe of the fame nature with the  
 lpdé  underneath ;othey would ; alfe; be  found  difperfed in  other parts  
 without  'diftinâ:ià%'  as.  well'as where-  they  are;  whereas  they  are  
 .foupd) only  upon land  above  the  lode :  in-  fhoft,  the.  broil  is only  
 the : more  fhattered  and  lefs  impregnated  part  of  the  lode,  which,  
 whtesthe  fifîuMê -was  filled,  wantéd  eement  and a  proper ® ^   to  
 fix 'it  into  a-more: eornpad  ftate ;  apd  being, defected,  as  it  were,  
 by. rthe  purer parts  of the lode which  fettled belbw,  became  expofed.  
 to  the impurities  of  the  furrounding  earths,  and  liable  to ' be  dif-  
 jperfed  by  flood^;--  ' 
 feriFijfl,,  The  broil  is  found  in  greater: quantity  in  the  vailles  than  
 oft the tdps orfides of hills;  in  the  level  grounds,  it is  but juft moved  
 from  its  firft  ftatión,  and. fpread  on  each  fide  the vein  in  an  equable  
 manner ;  but  if   the  lode  has  any  declivity  near  it;'thenmany  of  
 theildofe  ftones  of  the  broil  are  found ftrewed  down  the hill.  See  
 Plàte  XVII.  Fig.  w l   M N O , 
 -Secondly;  The  lon^r jh e   declivity,  die  farther are  thefe  ftones  
 removed;  but  thé-lhorter  and  fteeper  the fides  o f  the  hill  are,  the  
 lefs  diftànt  they  are  found. 
 feTbirdly,  The fmaller ftones  are  carried  faxtheft ;  on  the  contrary,  
 the  largqft ftones  arc  neareft  to  the  lode. 
 '  Fourthly;  The  ftnaller  are  alfb  nearer  to  the  lùrfàce  of  the  
 ground,  but  the  larger ones, deeper, and ftill deeper as  you approach  
 the  lode,  till  the, laft are  found  contiguous to  the  lode  itfelf.  See  
 Plate XVII.  G;  B; H.  Fig.  vu. 
 •  Fifthly,  The  farther  diftant  thefe  ftones  are  from  the  lode,  the  
 fewer  they  are in number ;  but  they multiply  as  you  come  nearer,  
 and  are  always  in  greateft  plenty next  the  lode. 
 '  Sixthly,  Thefe  ftones  are  known  from  all  others  by  their being  
 of  a  different  colour-and  ftruffcure  from  the  ftielf,  rubble,  and  
 other  common  ftones  of  the  ground where  they  lie,  but more particularly  
 by their angles being worn off ;  and the farther  diftant  they  
 are  from  the  lode,  the  fmoother  they  are ;  and die nearer,  the  lefs  
 are  their  angles  blunted.  In Cornwall we  call  thefe  difperfed  parts  
 of  the  broil  Shodes \  See Plate XVII.  Fig. vm» 
 From daily  obferving  the  grounds  they  fearch,  and  the  different  sect.it.  
 fubftances  they  there  meet with,  the  tinners  can  readily diftinguifh 
 fliodes. 
 4  Loads ufually covered with rubble and frag-  tra£t ii,  page  3»  
 riants caft upon the veins by „the hurry of water,”  b  Perhaps from the Teutonic word Shutten,  to  . 
 viz,  of  the deluge,  Hutchinfon’s Tra&s,  vol,  I*  pour forth. 
 Q_q  between