390 
but  really  ornamented  with  exceedingly  fine  close-set 
striolae;  the  dorsal  surface  not  transversely  sulcate 
(Celebes). 
a\  Legs  and  antennas  pale,  segments  finely  bordered 
with  flavous  brachyproctus. 
b\  Legs,  antennas  and  segments  entirely  deep  blackish 
green  eumelanus. 
ô3.  Slenderer,  legs  longer,  segments  striate  laterally,  anterior 
half  of  segments  transversely  striate  above,  one  complete 
stria  lying  in  front  of  the  transverse  sulcus  which  is 
dorsally  complete  (Flores). 
a5.  Sulcus  weak  dorsally,  legs  blackish  green,  segments 
with   a   transverse  ferruginous  band  extending 
marginally  from  pore  to  pore  ....  semi-cinctus. 
b\  Sulcus  strong  dorsally;  legs  flavous,  the  body- 
segments  completely  banded  with  ferruginous  .  . 
xanthozonus. 
The  1st  segment  acutely  angled  laterally,  projecting  inferiorly 
nearly  as  low  as  the  2**;  scobina  absent.  .....  Trigoniulus. 
a6.  Eyes  widely  separated,  distance  between  them  equal  to  at 
least  twice  a  diameter;  segments  dorsally  sculptured,  area 
behind  the  transverse  sulcus  sometimes  elevated. 
a7.  Prevailing  colour  of  the  trunk,  legs  and  antennas  brownish 
red;  the  sculpturing  of  the  anterior  part  of  the  segments 
punctiform  and  exceedingly  coarse  dorsally  obliterating 
the  sulcus;  anal  valves  with  compressed  margins,  anal 
sternite  triangular  goèsi. 
b7.  Prevailing  colour  fuscous,  legs  and  posterior  border 
of  the  segments  flavous;  sculpturing  consisting  of  fine 
striolas;  anal  valves  not  margined;  posterior  border  of 
sternite  straight. 
a8.  Transverse  sulcus  complete  dorsally;  antennae  flavous  ; 
posterior  area  of  segments  raised  reonus 
b*.  Transverse  sulcus  failing  dorsally,  antennae  fuscous, 
posterior  area  of  segments  not  raised  megaloproctus. 
b\  Distance  between  the  eyes  equal  to  about  a  diameter ,  segments 
dorsally  smooth,  posteriorly  elevated,  the  elevated  area  be- 
ginning in  front  of  the  sulcus  and  bearing  the  pore  .  .  tachypus. 
