﻿FIVE 
  NEW 
  SPECIES 
  OF 
  ANOPLURA 
  AND 
  MALLOPHAGA. 
  

  

  165 
  

  

  External 
  Form, 
  Female 
  (fig. 
  5). 
  — 
  Abdomen 
  : 
  The 
  genital 
  plate 
  is 
  triangular, 
  with 
  

   the 
  apex 
  pointing 
  backwards. 
  There 
  is 
  another 
  plate 
  of 
  indistinct 
  outline 
  in 
  front 
  

   of 
  it 
  and 
  covered 
  with 
  a 
  dense 
  cluster 
  of 
  hairs. 
  On 
  each 
  side 
  of 
  the 
  genital 
  plate 
  a 
  

  

  Fig. 
  5. 
  Colpocephalum 
  mjobergi, 
  sp. 
  nov., 
  $, 
  underside: 
  

   M, 
  mentum; 
  MP, 
  maxillary 
  palpus; 
  Pv, 
  pul 
  villus; 
  SM, 
  

   submentum. 
  

  

  small 
  somewhat 
  triangular 
  plate 
  is 
  situated, 
  of 
  rather 
  uncertain 
  outline. 
  The 
  whole 
  

   abdomen 
  is 
  broader 
  than 
  that 
  of 
  the 
  male 
  and 
  less 
  graduated 
  in 
  width 
  towards 
  the 
  

   tip, 
  which 
  is 
  quite 
  as 
  wide 
  as 
  the 
  base. 
  

  

  Chaetotaxy, 
  Male 
  (fig. 
  4). 
  — 
  Head 
  : 
  On 
  the 
  anterior 
  margin 
  two 
  fairly 
  long 
  hairs, 
  

   widely 
  separated 
  ; 
  two 
  shorter 
  ones, 
  one 
  on 
  each 
  side, 
  further 
  back. 
  On 
  the 
  promi- 
  

   nence 
  in 
  front 
  of 
  the 
  ocular 
  emargination 
  are 
  situated 
  one 
  long 
  bristle, 
  two 
  shorter 
  

   spiny 
  ones 
  behind 
  it, 
  and 
  one 
  in 
  front 
  of 
  it. 
  At 
  about 
  the 
  same 
  level, 
  only 
  inside 
  

   the 
  margin, 
  on 
  the 
  dorsal 
  surface, 
  two 
  hairs 
  of 
  medium 
  length, 
  close 
  together. 
  On 
  

   the 
  margin 
  at 
  the 
  base 
  of 
  the 
  clypeal 
  area 
  and 
  at 
  about 
  the 
  level 
  of 
  the 
  mandibles, 
  

   a 
  fairly 
  long 
  hair 
  on 
  each 
  side. 
  A 
  short 
  hair 
  over 
  the 
  eye. 
  A 
  strong 
  ocular 
  fringe 
  

   is 
  present, 
  the 
  anterior 
  hairs 
  being 
  the 
  longest. 
  On 
  the 
  temples, 
  on 
  each 
  side, 
  two 
  

   very 
  elongate 
  hairs 
  and 
  two 
  or 
  three 
  shorter 
  ones. 
  Along 
  the 
  occipital 
  line, 
  four— 
  

   hairs 
  of 
  medium 
  length, 
  overhanging 
  the 
  pronotum. 
  Further 
  out, 
  near 
  the 
  temporal 
  

  

  