I02  SMITHSONIAN    MISCELLANEOUS    COLLECTIONS  VOL.    96 
This  type  is  represented  by  the  single  specimen  shown  in  plate  24, 
figure  3.  It  is  from  cut  18,  depth  78  inches.  The  sockets  for  the  side 
blades  are  placed  between  the  two  barbs. 
Open  socket  type  I  {b). — (In  part  hypothetical.)  Two  lashing 
slots ;  two  line  holes,  same  arrangement  as  above ;  no  blades ;  pair 
of  small  barbs  at  tip,  at  right  angles  to  line  holes ;  form  of  spur  un- 
known, probably  like  above.    (PI.  24,  fig.  4.) 
A  single  specimen  is  known,  that  shown  in  plate  24,  figure  4.  It 
is  from  cut  23,  depth  81  inches ;  the  spur  is  broken,  so  this  feature 
is  tentative. 
Open  socket  type  II  x. — Two  lashing  slots ;  at  proximal  end  an 
asymmetrical,  lateral  spur,  trifurcated,  with  sharp  slightly  curving 
prongs  all  of  the  same  length ;  single  line  hole,  below  which  is  usually 
a  groove  into  which  the  lashing  slots  open ;  two  side  blades,  parallel 
with  the  line  hole ;  oval  to  almost  round  in  cross-section ;  decorated 
(Old  Bering  Sea)  or  plain.    (PI.  24,  figs.  5-8.) 
None  were  found  at  the  Hillside  site.  From  Miyowagh  there  are 
six  examples.  Four  are  from  the  older,  southeastern  section,  as  fol- 
lows: cut  23,  14  inches  deep  (pi.  24,  fig.  7)  ;  cut  9,  depth  24  inches 
(pi.  24,  fig.  5)  ;  cut  29,  25  inches  (pi.  24,  fig.  6)  ;  cut  15,  42  inches. 
Two  are  from  the  northwestern  section :  cut  4,  depth  36  inches  (pi.  24, 
fig.  8)  and  cut  19,  63  inches.  A  striking  feature  of  these  harpoon 
heads  is  the  marked  asymmetry  of  the  spur,  which  is  placed  partly 
below  and  partly  to  one  side  of  the  socket.  The  spur  is  definitely 
trifurcated,  with  the  center  prong  straight  and  the  two  outer  ones 
curved;  the  prongs  all  have  sharp  points.  Plate  24,  figure  5,  has  one 
of  the  side  blades,  of  chipped  jasper,  remaining  in  place.  The  slot 
extends  through  to  the  other  side  as  is  also  the  case  with  plate  24, 
figure  6,  and  one  other.  In  plate  24,  figures  7,  8,  and  one  other,  the 
blade  sockets  do  not  quite  meet,  a  thin  partition  remaining  at  the 
center.  Plate  24,  figure  8,  which  was  found  in  cut  4,  36  inches  deep 
in  the  later,  northwestern  section  of  the  midden,  differs  from  the 
others  in  having  one  of  the  prongs  of  the  spur  set  ofif  from  the  other 
two  by  a  deep  straight  groove  which  extends  beyond  the  line  hole. 
Figures  5  and  7  also  have  small  grooves  between  the  prongs  of  the 
spur,  but  figure  6  has  no  suggestion  of  these,  the  upper  part  of  the 
spur  being  perfectly  smooth.  In  the  latter  specimen  the  groove  which 
extends  downward  from  the  line  hole  takes  a  slanting  path,  whereas 
on  the  others  it  is  straighter. 
Morphologically,  harpoon  heads  of  this  type  appear  to  be  derived 
from  type  I  x:  the  side  blades,  parallel  with  the  line  hole,  are  re- 
tained as  is  also  the  trifurcated  spur,  although  it  has  become  asym- 
