﻿120 
  PKOCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.67 
  

  

  posterior 
  lateral 
  angles 
  and 
  median 
  convexity 
  not 
  at 
  all 
  prominent; 
  

   eighth 
  tergite 
  about 
  as 
  long 
  as 
  ninth, 
  the 
  latter 
  not 
  especially 
  modi- 
  

   fied 
  apically, 
  that 
  region 
  being 
  only 
  slightly 
  impressed 
  medianly; 
  

   fourth 
  and 
  fifth 
  sternites 
  broadly 
  but 
  shallowly 
  emarginate 
  at 
  the 
  

   middle 
  of 
  hind 
  margin 
  ; 
  seventh 
  sternite 
  slightly 
  angulated 
  at 
  middle 
  

   of 
  hind 
  margin; 
  eighth 
  sternite 
  narrowly 
  visible 
  on 
  each 
  side 
  of 
  

   hypopygium. 
  

  

  Length, 
  18-20 
  mm. 
  

  

  Holotype. 
  — 
  Male, 
  allotype, 
  female, 
  and 
  3 
  paratypes, 
  2 
  males 
  and 
  

   1 
  female 
  from 
  Minca, 
  Magdalena, 
  Colombia, 
  2,500 
  feet, 
  July 
  24—25, 
  

   1920, 
  and 
  1 
  paratype 
  male 
  from 
  Aracataca, 
  Magdalena, 
  Colombia, 
  

   dense 
  undergrowth, 
  J. 
  A. 
  G. 
  Kehn 
  (Acad. 
  Nat. 
  Sci., 
  Phila.). 
  

  

  GHILIANELLA 
  PERIGYNIUM, 
  new 
  species. 
  

  

  Male. 
  — 
  Similar 
  to 
  recondita 
  in 
  many 
  respects, 
  but 
  longer 
  and 
  with 
  

   more 
  abundant 
  grayish-yellow 
  pile; 
  general 
  color 
  reddish-brown, 
  

   connexivum 
  of 
  segments 
  2-4 
  narrowly 
  pale 
  ; 
  hypopygium 
  much 
  as 
  in 
  

   recondita, 
  claspers 
  differing 
  as 
  described 
  in 
  key 
  (fig. 
  197) 
  ; 
  seventh 
  

   sternite 
  more 
  deeply 
  emarginate 
  and 
  sixth 
  sternite 
  also 
  with 
  a 
  broad, 
  

   deep 
  median 
  emargination. 
  

  

  Female. 
  — 
  Similar 
  in 
  color 
  to 
  male, 
  tending 
  to 
  be 
  somewhat 
  paler 
  

   with 
  dark 
  mottlings; 
  structure 
  about 
  the 
  same 
  as 
  in 
  female 
  of 
  

   recondita, 
  eighth 
  tergite 
  not 
  depressed 
  medianly 
  near 
  apex 
  and 
  the 
  

   latter 
  somewhat 
  flaring 
  or 
  upturned 
  and 
  notched 
  medianly, 
  while 
  it 
  

   is 
  rather 
  rounded 
  off 
  in 
  recondita; 
  hind 
  margin 
  of 
  seventh 
  sternite 
  

   concave 
  laterally, 
  convex 
  medianly, 
  with 
  a 
  slight 
  emargination 
  at 
  the 
  

   extreme 
  apex. 
  

  

  Length, 
  23-28 
  mm. 
  

  

  Holotype. 
  — 
  Male, 
  allotype 
  female, 
  and 
  one 
  paratype 
  female, 
  Pachi- 
  

   tea, 
  Peru 
  (Bueno). 
  

  

  GHILIANELLA 
  SIGNATA, 
  new 
  species. 
  

  

  Female. 
  — 
  General 
  color 
  dark 
  reddish 
  brown, 
  shading 
  to 
  blackish 
  

   on 
  distal 
  parts 
  of 
  legs 
  and 
  abdomen 
  ; 
  head 
  and 
  thorax 
  unusually 
  free 
  

   from 
  granulations, 
  some 
  present 
  along 
  dorsal 
  carinae 
  of 
  mesothorax; 
  

   pile 
  pale 
  tawny, 
  distribution 
  on 
  head 
  and 
  thorax 
  about 
  typical, 
  

   aggregated 
  into 
  scattering 
  minute 
  tufts 
  and 
  regularly 
  arranged 
  large 
  

   patches 
  on 
  abdomen, 
  a 
  pair 
  of 
  latter 
  on 
  posterior 
  margin 
  of 
  fourth 
  

   tergite, 
  and 
  a 
  pair 
  covering 
  postero-lateral 
  angles 
  of 
  fourth, 
  fifth, 
  

   and 
  sixth 
  sternites; 
  bulbous 
  expansion 
  of 
  abdomen 
  including 
  fifth 
  

   segment, 
  posterior 
  third 
  of 
  segment 
  4, 
  and 
  anterior 
  third 
  of 
  segment 
  

   C; 
  lateral 
  elevations 
  of 
  segment 
  5 
  somewhat 
  posteriorly 
  directed, 
  a 
  

   little 
  wrinkled 
  dorsally 
  and 
  bluntly 
  falcate; 
  segments 
  6 
  and 
  7 
  con- 
  

   jointly 
  elevated 
  at 
  middle 
  of 
  suture, 
  the 
  elevation 
  surmoimted 
  by 
  a 
  

   minute 
  nipple 
  on 
  6; 
  tergite 
  7 
  a 
  little 
  longer 
  than 
  6, 
  hind 
  margin 
  

  

  