Crown  may  demur  and  plead  to  petition  of  right,  under  23  &  24  Vict.  c.  34,  at
same  time.     Tobin  v.  The  Queen,  cviii.  505  ;  14  C.  B.  N.  S.  505.
And  all  the  allegations  may  be  put  in  issue  by  a  general  traverse.     Ibid.
Quaere,  whether  the  soil  of  lakes  prima  facie  belongs  to  the  crown  or  to  owners
of  the  land  or  manors  on  either  side.  Marshall  v.  Steam  Nav.  Co.,  cxiii.  732 ;
3  B.  &  S.  732.
Crown  not  being  mentioned  in  statute  is  not  bound  by  it :  Per  Blackburn,  J.
Mersey  Docks  v.  Cameron,  cxiv.  867 ;  18  C.  B.  N.  S.  867.
Bed  of  navigable  river,  where  there  is  tide  of  estuaries  or  arms  of  the  sea,
belongs  to  the  crown,  and  if  granted  away  is  subject  to  right  of  navigation,  which
includes  anchorage.  Free  Fishers,  &c,  v.  Gann,  cxv.  803 ;  19  C.  B.  N.  S.  803.
Reversing  s.  c.  in  C.  P.,  ciii.  387 ;  11  C.  B.  N.  S.  387  ;  and  in  Ex.  Ch.,  cvi.  853  :
13C.  B.  N.  S.  853.
The  crown  is  not  subject  to  tolls  imposed  by  statute  unless  specially  named.
Weymouth  v.  Nugent,  cxviii.  22  ;  6  B.  &  S.  22.
Letters  patent  do  not  preclude  the  crown  from  the  use  of  the  invention  though
it  has  not  the  assent  of  the  patentee.  Feather  v.  The  Queen,  cxviii.  257  ;  6  B.
&  S.  257.
Petition  of  right  does  not  lie  against  the  crown  in  case  of  an  alleged  wrong.
Ibid.
PRESCRIPTION.
A  common,  which  has  been  in  existence  over  thirty  years,  may  be  defeated  by
showing  that  it  could  not  have  had  a  legal  origin.  Mill  v.  Commissioners  of  New
Forest,  lxxxvi.  60:  18  C.  B.  60.
