A  pile  driven  into  the  bed  of  a  river  for  the  use  of  a  wharf,  used  twenty  years
without  objection  from  the  owner  of  the  soil,  presumed  to  be  there  in  the  exercise
of  a  right  or  easement.     Lancaster  v.  Eve,  xciv.  717  ;  5  C.  B.  N.  S.  717.
The  conservators  of  the  Thames,  under  20  &  21  Vict.  c.  147,  s.  53,  have  power
to  authorize  the  erection  of  buildings  interfering  with  the  navigation  of  the
river.     Kearns  v.  The  Cordwainers'  Co.,  xcv.  388 ;  6  C.  B.  N.  S.  388.
If  a  public  right  be  taken  away  by  act  of  parliament,  there  can  be  no  action
for  interference  with  the  accessory  private  right.     Ibid.
A  lease  reserving  to  the  lessor  a  right  to  make  a  covered  sewer  on  the  land
to  convey  away  his  drainage,  gives  him  an  exclusive  right  to  its  use.  Lee  v.
Stevenson,  xcvi.  512;  E.,  B.  &'"E.  512.
EASEMENT,  I.,  II.  189


Eight  to  -wind  for  a  -windmill  is  not  an  easement,  within  s.  2  of  2  &  3  Wm.  4,
C.  71.     Webb  v.  Bird,  c.  268  ;  10  C.  B.  N.  S.  268.
Affirmed  in  Ex.  Ch.  cvi.  841  ;  13  C  B.  N.  S.  841.
A  statute  giving  a  company  power  to  appoint  and  set  out  towing  paths  and  to
make  use  of  the  lands  of  individuals  for  every  purpose  necessary  to  navigation,
creates  an  easement  and  not  a  fee.  Badger  v.  S.  i .  Railway  Co.,  cii.  347 ;  1  E.
&  E.  347.
Can  be  claimed  by  custom.  Constable  v.  Nicholson,  cviii.  230 ;  14  C.  B.  N.
S.  230.
Qucere.  how  far  right  of  support  is  an  easement.  Rowbotham  v.  Wilson,  cvii.
(H.  of  L.)  752 ;  3  E.  &  E.  752.
