I08  SMITHSONIAN    MISCELLANEOUS    COLLECTIONS  VOL.    96 
Plate  26,  figure  3,  has  a  secondary  blade  slit,  parallel  with  the  line 
hole,  made  after  the  upper  end  had  broken ;  originally  the  blade  slit 
was  at  right  angles  to  the  line  hole.  Figure  5  is  unfinished  and  was 
probably  discarded  because  the  line  hole  was  not  well  centered. 
Types  III  X  and  III  y  are  with  a  few  minor  exceptions  the  last 
of  the  open  socket  harpoon  heads  to  be  decorated  in  Old  Bering  Sea 
style;  on  the  other  hand,  some  of  the  specimens  of  these  types  are 
already  decorated  in  early  Punuk  style.  The  latter  (pi.  24,  figs.  20-22 ; 
pi.  26,  figs.  6-10)  are  the  forerunners  of  types  III  (a)  x  and  III 
(a)  y,  which  above  all  others  are  characteristic  of  the  Punuk  stage. 
These  will  be  described  later  with  the  other  Punuk  material.  Mean- 
while, we  will  consider  the  closed  socket  types,  beginning  with  those 
which  were  found  at  the  Hillside  site  and  at  the  older  section  of 
Miyowagh. 
Closed  Socket  Harpoon  Heads 
Closed  socket  type  I  x. — At  proximal  end  a  plain,  symmetrical, 
median  spur;  two  line  holes,  close  together,  connected  on  the  back 
side  by  a  deep  groove;  end  blade  parallel  with  line  holes  (pi.  26, 
fig.  II). 
This  type  is  represented  by  the  single  specimen  from  Miyowagh 
(cut  18,  depth  48  in.)  shown  in  plate  26,  figure  11 ;  it  has  the  appear- 
ance of  being  unfinished.  The  combination  of  a  symmetrical  median 
spur  and  double  line  holes  connected  by  a  deep  groove  is  in  itself 
suggestive  of  age,  in  view  of  the  fact  that  these  features  are  found 
only  on  the  oldest  of  the  open  socket  harpoon  heads.  Hence  the  desig- 
nation of  this  as  one  of  the  earliest  closed  socket  forms  even  though 
it  was  evidently  an  unimportant  one. 
Closed  socket  type  II  x. — A  lateral  trifurcated  or  irregular  spur ; 
single  line  hole ;  end  blade,  parallel  with  line  hole ;  small,  ornamental 
barbs  on  edges;  very  thin  in  cross  section;  decorated  (Old  Bering 
Sea)  or  plain.   (PI.  23,  figs.  11,  12.) 
There  are  only  two  examples  of  this  type,  one  from  the  Hillside  site, 
the  other,  exact  provenience  unknown  (pi.  23,  fig.  12).  Plate  23, 
figure  II,  from  house  no.  i,  has  an  irregular  spur  similar  to  that  of 
figure  6.  A  row  of  small  barbs,  four  on  one  side,  two  on  the  other, 
gives  the  edges  a  serrated  appearance.  The  most  striking  feature 
of  this  type  of  harpoon  head  is  its  extreme  thinness,  which  is  unusual 
for  a  closed  socket  type.  Figure  12  was  obtained  from  the  Eskimos 
at  Gambell  by  Dr.  Riley  D.  Moore  in  1914,  and  while  its  exact  proveni- 
ence is  uncertain  it  is  included  here  since  it  is  the  only  other  known 
example  of  the  type.    Originally  there  were  small  barbs  along  the 
