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MR.  J.  O.  WESTWOOD  ON  NYCTERIBIA. 
Nycteribia  Jenynsii  c?. 
Fig.  29.  The  insect,  highly  magnified. 
30.  The  head,  more  highly  magnified,  showing  the  large  oval  sessile  eyes. 
31.  The  same,  seen  sideways. 
32.  The  extremity  of  the  abdomen,  seen  sideways. 
33.  The  same,  seen  from  behind. 
34.  The  same,  seen  from  beneath. 
Nycteribia  Roylii  3 . 
35.  The  under  side  of  the  abdomen. 
36.  The  extremity  of  the  same,  seen  sideways. 
Nycteribia  BiARTicuLATA  3,  ?. 
37.  The  abdomen  S,  seen  sideways,  (after  Dr.  Leach). 
38.  The  same,  seen  from  beneath,  (from  the  British  Museum  specimens). 
39.  The  under  side  of  the  thorax  and  abdomen  ? . 
40.  The  upper  side  of  the  abdomen  ?  . 
41.  The  abdomen  ?,  seen  sideways. 
Nycteribia  Blainvillii  S  . 
42.  The  insect,  seen  from  above,  the  base  of  the  legs  on  one  side  only  being 
represented. 
Nycteribia  Latreillii  c?.  ?  . 
43.  The  abdomen  3 ,  (after  Mr.  Curtis). 
44.  The  thorax  and  abdomen  3 ,  seen  from  beneath. 
45.  The  abdomen  3 ,  (from  Mr.  Stephens's  dried  specimens). 
46.  The  abdomen  ?  ,  seen  from  above. 
47.  The  same,  from  beneath. 
48.  The  extremity  of  the  same,  from  above. 
Nycteribia  DuFOURii  3,  ?,  (after  M.  Dufour). 
49.  The  abdomen  S ,  seen  from  above. 
50.  The  abdomen  ?  ,  seen  from  above. 
