Only  good  where  judgment  would  do  final  and  complete  justice  between  the
parties.     Ibid.
To  a  plea  setting  forth  an  agreement  between  plaintiff  and  a  third  person
which  had  been  fully  performed,  a  replication  on  equitable  grounds  of  mistake
in  the  agreement  is  good.     Vorley  v.  Barrett,  lxxxvii.  225  ;  1  C.  B.  N.  S.  225.
Must  disclose  such  facts  as  would  entitle  him  to  absolute  and  unconditional
relief  in  a  court  of  equity.     Flight  v.  Gray,  xci.  320 ;  3  C.  B.  N.  S.  320.
Where  there  was  a  plea  on  equitable  grounds  of  a  subsequent  agreement  and
that  the  agreement  should  be  accepted  in  satisfaction  of  the  breach,  the  court
ordered  two  pleas  to  be  filed,  one  as  a  legal  plea  and  the  other  without  the  allega-
tion of  satisfaction.     Jonassohn  v.  Ransome,  xci.  779 ;  3  C.  B.  N.  S.  779.
To  a  covenant  by  defendant  and  wife  to  pay  money,  plea  that  they  mortgaged
wife's  lands  to  plaintiff,  to  secure  the  debt  which  was  for  money  borrowed  to
pay  debt  of  wife  contracted  before  marriage,  that  she  had  died  leaving  plaintiff
her  heir,  and  the  lands  were  more  than  sufficient  to  pay  debt  and  costs,  is  good
as  an  equitable  plea.     Gee  v.  Smart,  xcii.  313 ;  8  E.  &  B.  313.
Plea,  that  plaintiff  proved  part  of  the  debt  in  bankruptcy  and  elected  to  take
the  benefit  of  the  petition  with  respect  to  the  whole  debt,  is  good.  Elder  v.  Beau-
mont, xcii.  353 ;  8  E.  &  B.  353.
Where  a  court  of  equity  would  only  grant  partial  relief,  an  equitable  plea  is
bad.     Scott  v.  Littledale,  xcii.  815  ;  8  E.  &  B.  815.
Quart  impedit  is  within  the  80th  section  of  the  Act  of  1852.  Marshall  v.
