NO.    I  ARCHEOLOGY    OF    ST.    LAWRENCE    ISLAND COLLINS  1 35 
Arroivhcads. — Three  arrowheads  were  found  at  the  Hillside  site, 
two  of  which  are  shown  on  plate  29,  figures  6.  7.  'Ihe  first  is  of  bone 
with  smooth,  sharp,  conical  tang  just  above  which  are  two  barbs. 
These  are  made  in  a  somewhat  unusual  manner ;  beginning  a  little 
above  the  center  four  deep  incisions,  two  on  the  front  and  two  on  the 
back,  are  carried  downward  becoming  deeper  and  deeper,  until,  just 
above  the  tang,  they  cut  through  and  meet,  leaving  two  sharj)  barbs 
which  lie  close  to  the  shank  and  i)oint  straight  downward.  The  third 
specimen  from  the  Hillside  site  is  of  the  same  tyi)e.  but  has  a  blade 
slit ;  on  it  a  decorative  efi;'ect  is  provided  on  one  side  by  two  shallow 
lines  which  extend  from  the  ends  of  the  deeply  cut  lines  to  the  blade 
slit,  and  by  a  faint  median  line  which  runs  from  tang  to  a  little  above 
center ;  the  latter  feature  is  also  present  on  the  reverse  of  plate  29, 
figure  6.  The  latter  had  a  pointed  tip  with  no  inserted  blade.  Plate 
29,  figure  7,  is  an  ivory  arrowhead  of  an  unusual  type.  15.8  cm  long, 
with  smooth  conical  tang  and  a  blade  slit  3  mm  wide.  It  is  square  in 
cross-section,  but  the  four  sides  instead  of  being  straight  were  cut 
spirally,  so  that  each  side  makes  between  a  quarter  and  a  half  turn  as 
it  runs  from  tang  to  tip. 
The  Miyowagh  collection  contains  2^  arrowheads  and  2  recogniza- 
ble fragments.  It  is  of  interest  to  note  that  2t^  of  these  are  of  bone 
and  only  4  of  ivory.  This  is  one  of  the  few  instances  where  bone  is 
employed  in  preference  to  ivory.  Six  types  of  arrowheads  can  be 
distinguished  : 
Type  I  (pi.  34,  fig.  1). — Rounded  in  cross-section;  end  blade;  no 
barbs. 
One  example,  of  bone,  from  cut  ly,  depth  26  inches.  This  was  the 
only  arrowhead  found  with  blade  in  place ;  the  latter  is  of  chipped 
chert,  with  a  straight  base. 
Type  2  (pi.  34,  figs.  2,  3). — Round  to  oval  in  cross-section;  end 
blade;  a  single  barb  near  the  tang. 
Three  examples,  of  bone,  from  cut  18.  36  inches  {\)\.  34.  fig.  2), 
42  inches,  and  44  inches  (pi.  34,  fig.  3).  The  barbs  lie  close  to  the 
body  and  are  made  in  the  same  manner  as  those  on  the  specimen  from 
the  Hillside  site  (pi.  29,  fig.  6).  In  figure  2  a  line  extends  upward 
from  the  barb  for  a  considerable  distance,  meeting  another  line  which 
continues  downward  to  the  tang.  The  long  triangular  space  thus 
formed  is  divided  in  the  middle  by  two  short  transverse  lines,  with 
a  long,  deep  line  occupying  both  halves.  This  decoration  is  present 
on  one  side  only.  The  second  example  of  this  type  (pi.  34,  fig.  3)  is 
larger — 18  cm  long — and  the  barb  has  an  outward  flare.  The  line 
extending  from  the  barb  is  opposed  by  a  similar  line  ending  with  a 
