﻿462 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  vol.44. 
  

  

  ventral 
  row 
  longer, 
  more 
  regular, 
  and 
  not 
  decreasing 
  very 
  much 
  at 
  

   apex, 
  the 
  basal 
  two 
  bristles 
  in 
  this 
  row 
  are 
  hairlike, 
  posterior 
  surface 
  

   with 
  a 
  row 
  of 
  fine 
  hairlike 
  bristles, 
  the 
  last 
  four 
  at 
  apex 
  very 
  stout 
  

   and 
  strong, 
  the 
  row 
  on 
  the 
  anterior 
  surface 
  is 
  much 
  stronger, 
  but 
  

   ends 
  in 
  3-4 
  curled 
  bristles, 
  which 
  are 
  rather 
  weaker 
  than 
  the 
  apical 
  

   four 
  in 
  posterior 
  row, 
  mid 
  tibiae 
  only 
  gradually 
  thickened, 
  and 
  not 
  

   much 
  so 
  from 
  base 
  to 
  apex, 
  the 
  pubescence 
  loose 
  but 
  short, 
  and 
  not 
  

   much 
  longer 
  at 
  apex 
  than 
  at 
  base, 
  bristling 
  normal, 
  the 
  usual 
  two 
  

   bristles 
  at 
  same 
  distance 
  from 
  apex, 
  hind 
  femora 
  wdth 
  an 
  irregular 
  

   row 
  of 
  moderately 
  long 
  but 
  weak 
  bristles 
  on 
  basal 
  four-sevenths, 
  

   and 
  three 
  much 
  longer 
  and 
  stronger 
  beyond 
  them, 
  as 
  well 
  as 
  6-7 
  

   very 
  short 
  but 
  strong 
  bristles 
  on 
  apical 
  seventh 
  on 
  antero-ventral 
  

   surface, 
  postero-ventral 
  row 
  much 
  longer, 
  more 
  hairlike 
  and 
  more 
  

   regular, 
  anterior 
  surface 
  with 
  a 
  row 
  of 
  short 
  bristles 
  which 
  are 
  of 
  

   almost 
  equal 
  length 
  to 
  middle, 
  then 
  become 
  longer 
  and 
  stronger, 
  and 
  

   run 
  up 
  to 
  and 
  over 
  dorsal 
  surface 
  at 
  in 
  front 
  of 
  tip, 
  below 
  the 
  last 
  two 
  

   bristles 
  — 
  on 
  antero-dorsal 
  surface— 
  are 
  two 
  additional 
  bristles, 
  hind 
  

   tibiae 
  with 
  the 
  usual 
  two 
  dorsal, 
  two 
  antero-dorsal 
  — 
  one 
  at 
  almost 
  

   in 
  transverse 
  line 
  with 
  upper 
  dorsal 
  and 
  one 
  smaller 
  at 
  near 
  apex 
  — 
  and 
  

   two 
  antero-ventral 
  bristles, 
  the 
  upper 
  and 
  smaller 
  being 
  in 
  transverse 
  

   line 
  with 
  upper 
  dorsal 
  and 
  the 
  stronger 
  at 
  a 
  little 
  nearer 
  the 
  apex; 
  

   wings 
  yellowish, 
  veins 
  brown, 
  paler 
  at 
  base, 
  inner 
  cross 
  vein 
  back- 
  

   wardly 
  directed, 
  outer 
  cross 
  vein 
  bent, 
  as 
  long 
  as 
  penultimate 
  section 
  

   of 
  fourth 
  and 
  joining 
  that 
  vein 
  at 
  two-fifths 
  from 
  inner 
  cross 
  vein 
  

   to 
  wing 
  margin; 
  calyptrse 
  with 
  lower 
  scale 
  slightly 
  the 
  larger; 
  halteres 
  

   bright 
  yellow. 
  

  

  Length, 
  5^ 
  mm. 
  

  

  Two 
  males, 
  Kaslo, 
  British 
  Columbia, 
  June 
  9 
  and 
  15, 
  1903 
  (R. 
  P. 
  

   Currie). 
  

  

  Type.— 
  C&t. 
  No. 
  15216, 
  U.S.N.M. 
  

  

  Allied 
  to 
  fuscula 
  Fallen, 
  but 
  separable 
  b}^ 
  the 
  absence 
  of 
  the 
  coxal 
  

   thorns. 
  

  

  LIMOSINA 
  TROCHANTERATUS, 
  new 
  species. 
  

  

  Male. 
  — 
  Black, 
  shining 
  ; 
  f 
  rons 
  at 
  center 
  about 
  one-third 
  broader 
  than 
  

   long; 
  black, 
  subopaque, 
  except 
  on 
  stripes 
  occupied 
  by 
  central 
  rows 
  

   of 
  bristles 
  and 
  at 
  bases 
  of 
  orbital 
  bristles, 
  where 
  it 
  is 
  shining, 
  orbital 
  

   bristles 
  strong, 
  the 
  lower 
  one 
  slightly 
  the 
  weakest; 
  in 
  addition 
  to 
  the 
  

   usual 
  bristles 
  there 
  are 
  only 
  2-3 
  weaker 
  bristles 
  present 
  on 
  the 
  orbits, 
  

   two 
  of 
  which 
  are 
  situated 
  anterior 
  to 
  the 
  lower 
  orbital 
  bristle, 
  and 
  

   one 
  between 
  it 
  and 
  the 
  second, 
  but 
  nearer 
  to 
  the 
  center 
  of 
  frons; 
  

   center 
  rows 
  each 
  of 
  four 
  bristles, 
  the 
  lower 
  two 
  in 
  each 
  row 
  the 
  

   strongest, 
  anterior 
  margin 
  of 
  frons 
  transverse, 
  below 
  and 
  slightly 
  

   above 
  base 
  of 
  antennae 
  there 
  is 
  a 
  distinct 
  production 
  which 
  is 
  carried 
  

   down 
  to 
  epistome 
  and 
  forms 
  a 
  keel 
  to 
  the 
  face, 
  face 
  opaque 
  brown- 
  

   black, 
  in 
  profile 
  concave 
  in 
  center, 
  anterior 
  vibrissa 
  very 
  strong, 
  

  

  