330 
punctured  and  striolate  behind,  beset  with  sharp  granules  in  front; 
anal  tergite  scarcely  granular,  evenly  convex  from  side  to  side;  the 
upper  half  convex  from  above  downwards,  the  lower  half — separated 
from  the  upper  by  a  low  ridge  —  nearly  vertical;  the  inferior  border 
thickened;  without  a  lateral  notch  and  marked  internally  by  a  short 
black  ridge. 
Legs  with  tarsal  segment  distally  attenuate;  a  single  spine  except 
in  the  first  two  pairs  immediately  above  and  behind  the  terminal  claw  ; 
a  double  series  of  six  or  seven  (or  less  in  the  anterior  pairs)  spines 
on  the  under  edge. 
Vulva  with  cap  large,  shining,  smooth,  completely  covering  the 
distal  edges  of  the  proximal ,  sclerites ,  inner  edge  straight ,  infero- 
internal  angle  much  produced  and  rounded ,  anterior  edge  very  oblique 
but  nearly  straight,  external  edge  vertical  and  straight,  lateral  ex- 
ternal angle  very  widely  convex. 
cT  —  Closely  resembling  the  female,  there  being  scarcely  a  trace 
of  secondary  sexual  characters,  the  inferior  half  of  the  anal  tergite  is 
very  lightly  saddle-shaped. 
Copulatory  forceps  —  1st  pair  with  movable  dactylus  composed  of 
a  single  stout,  nearly  straight,  subcylindrical  segment,  before  the 
rounded  apex  there  is  a  faint  constriction;  immovable  dactylus  slightly 
shorter  than  the  movable,  stout,  lightly  incurved,  convex  externally, 
concave  internally;  2nd  pair  with  movable  dactylus  composed  of  a 
single  segment;  stout  and  cylindrical  at  the  base,  curved,  attenuate, 
internally  hollowed  and  bearing  a  posterior  series  of  small  denticles 
in  its  distal  half;  immovable  dactylus  very  slightly  shorter  than  the 
movable,  wide  and  spatulate. 
Length  30  mm.;  width  15. 
All  these  specimens  appear  to  be  of  small  size  for  in  the  British 
Museum  there  are  two  specimens ,  apparently  belonging  to  the  same 
species  as  these,  which  measure  in  length  respectively  32  and  41  mm. 
The  larger  of  these  two  is  of  considerable  historical  interest  for  the 
following  reasons. 
Acting  upon  the  belief  that  C.  Kooh  had  wrongly  applied  to  a  spe- 
cimen in  the  Berlin  Museum  the  name  Sph.  punctatum  of  Brandt, 
Mr.  Butler  proposed  to  make  this  specimen  at  Berlin  the  type  of  a 
new  species,  which  be  called  Kochii.  And  further  he  affixed  the 
