Sec.  ;.  (As  amended  July  3rd,  1S72.)  The  rights  and
privileges  hereby  granted  shall  be  forfeited  to  said  city  unless
there  shall  be  constructed  and  equipped  for  business  and  in
full  operation  at  least  one  mile  of  said  railway  on  one  or  more
of  said  lines  on  or  before  the  first  day  of  July,  1872 ;  at  least
one  further  mile  on  or  before  the  thirty-first  day  of  December,
1872;  at  least  one  further  mile  on  or  before  the  fifteenth  day
of  July,  1873.  Provided,  that  if  required  by  a  resolution  of  the
Common  Council,  adopted  by  a  vote  of  two-thirds  of  its  mem-
bers, to  build,  equip  and  operate  an  additional  mile  of  said
railway  on  any  street  or  streets  designated  by  the  city  council,
every  six  months  thereafter  the  company  accepting  these  fran-
chises shall  so  build,  equip  and  operate  said  mile  or  miles  of
railway  or  forfeit  to  said  city  all  rights  or  privileges  to  con-
struct and  operate  any  line  of  railway  or  track  in  any  street
or  streets,  or  part  of  street  or  streets,  in  said  city  upon  which
said  company  has  not  constructed  any  railway  track.
