400 
97.  Spirobolellus  chrysoproctus  sp.  n. 
Celebes:  Luwu.  Two  examples. 
Closely  allied  to  Sp.  chrysodirus,  but  differing  as  follows. 
The  lateral  portions  of  the  collum  are  fuscous;  there  is  a  wide, 
undivided  median  dorsal  flavous  band;  the  whole  of  the  anal  somite 
flavous.  The  borders  of  the  collum  are  less  markedly  sinuate ,  and  the 
anterior  angle  projects  sligthly  below  the  posterior. 
Number  of  somites  37  —  40. 
Length  up  to  about  20  mm. 
98.  Spirobolellus  chrysogrammus  sp.  n. 
Celebes:  Makassar.  Several  examples. 
Closely  related  to  the  preceding  two  but  differing  from  both  in  colour. 
The  whole  of  the  collum  fuscous  except  the  middle  of  the  dorsal 
surface;  the  flavous  dorsal  band  completely  divided  by  a  median  black 
band  as  in  chrysodirus  and  the  anal  tergite  is  fuscous. 
Number  of  somite  36  —  38. 
Length,  17  mm. 
