366 
sternal  surfaces  and  head  brown  and  the  legs  black,  except  the  coxa,  troch- 
anter and  the  distal  third  of  the  femur  which  are  flavous.  As  regards 
the  keels  of  the  tergites  subnigrum  approaches  nigricorne  in  that  only 
the  hinder  half  is  flavous  and  they  are  but  little  produced;  but  in  the 
form  of  the  dorsal  sulci  it  approaches  subflavum. 
From  both  it  may  further  be  recognised  by  the  form  of  the  copu- 
latory  feet.  These  appendages  are  longer,  less  curved,  being  curved 
only  in  the  proximal  fourth  of  their  length ,  less  dilated  distally  and 
with  shorter  terminal  processes.  Moreover,  the  external  sheath-like 
process  bears  two  smaller  processes,  a  distal  and  a  median,  along  its 
external  border.  And  lastly  the  lamina  on  the  fifth  sternum  is  longer 
than  in  the  two  preceding. 
Length  30  mm. 
62.  Strongylosoma  flavicoxis,  sp.  n.  Pl.  XXII,  fig.  8. 
Sumatra:  Paningahan.  A  single  male  specimen. 
Belonging  to  the  same  category  as  the  preceding  three  species. 
Colour  of  somites  black  above  and  at  the  sides,  reddish  brown  on 
the  sternal  areas  and  just  above  the  base  of  the  legs.  In  the  legs  the 
coxa,  trochanter  and  femur  are  wholly  or  almost  wholly  flavous; 
head  and  antennae  black. 
The  keels  are  smaller  than  in  any  of  the  preceding,  only  projecting 
slightly  beyond  the  hinder  border  of  the  dorsal  surfaces  in  the  17th, 
Igth  a  19th  somites.  The  inferior  crest  is  represented  by  a  posterior 
tubercle  as  far  as  the  7th  somite.  The  dorsal  sulcus  very  weak  on 
all  the  somites,  invisible  on  the  18»\  very  faint  on  the  17th,  also 
very  faint  on  the  5th,  6th  and  7th. 
Copulatory  foot  very  like  that  of  nigricorne  but  rather  less  curved 
and  bearing  an  inner,  short  slender  process  at  the  base  of  the  inter- 
nal terminal  flagellum. 
Length  33  mm. 
63.  Strongylosoma  coarctatum,  (Saussure). 
Specimens  of  this  ubiquitous  species  were  obtained  from  Manindjau , 
Singkarah,  Padang  and  Fort  de  Kock  in  Sumatra  ;  Makassar  ;  the  Island 
of  Saleyer  ;  Bari  and  Reo  in  Flores. 
