340 
Siphonocryptus  nov. 
Characters  of  the  subfamily. 
Type  Siphonocryptus  compactus  sp.  n. 
37.  Siphonocryptus  compactus  sp.  n.  Pl.  XX,  fig.  6 -6c. 
Sumatra:  Mount  Singalang.  Two  specimens. 
Colour  (in  alcohol)  upper  surface  chocolate  brown  with  a  wide  pale  band 
on  each  side,  the  bands  meeting  anteriorly  and  posteriorly;  legs  and 
head  testaceous;  antennae  fuscous. 
Head  short  conical,  terminating  in  a  blunt  point,  hairy,  with  a 
black  ocular  patch  on  each  side,  which  contains  two  ocelli. 
Antennae  hairy,  long,  much  longer  than  the  head,  stout  and  nearly 
parallel-sided. 
Body  a  little  narrowed  and  rounded  off  anteriorly  and  posteriorly, 
the  collum  completely  covering  the  head,  keeled  along  the  whole  of 
its  anterior  border,  the  keels  of  all  the  somites  closely  in  contact 
and  slightly  overlapping,  the  lateral  margin  produced  posteriorly  into 
a  backwardly  directed  tooth;  each  of  the  somites  finely  granular  with 
a  row  of  larger  tubercles  along  the  hind  border;  the  upper  surface 
of  the  somites  sloped  like  the  roof  of  a  house  from  the  dorsal  middle 
line  to  the  lateral  margin. 
Anal  somite  large,  carinate  along  the  whole  of  its  hinder  border. 
Number  of  segments  26. 
Family  SIPHONIULIDAE  nov. 
Siphoniulus  nov. 
Head  piriform,  subglobular  above,  produced  below  into  a  triangular 
rostriform  process.  Eyes  absent. 
Antennae  clavate,  situated  laterally,  in  a  slight  constriction  at  the 
base  of  the  rostrum. 
The  body  long,  cylindrical,  like  that  of  lulus,  the  pleurae  not  dis- 
tinct from  the  terga;  the  pedal  laminae  (tracheal  plates)  immovably 
united  with  the  dorsal  plate  but  with  the  suture  persisting  as  in 
lulus. 
Legs  contiguous  at  the  base;  six-jointed.  In  the  9  (young)  the 
3rd  and  4th  segments  appear  to  be  apodous,  while  the  1st, 2nd  and  5th 
are  furnished  with  a  single  pair  of  legs  each. 
