﻿Genera 
  and 
  Species 
  0/*Trichoptei"ygidaj. 
  193 
  

  

  stracta 
  ; 
  capite 
  magno, 
  lato, 
  oeulis 
  parvis 
  ; 
  pronoto 
  sat 
  maguo, 
  

   ante 
  basim 
  latissimo, 
  fortiter 
  tuberculato, 
  seta 
  erecta 
  laterali 
  pone 
  

   medium 
  utrmque 
  instructo, 
  angulis 
  posterioribus 
  modice 
  pro- 
  

   ductis 
  ; 
  elytris 
  brevibus, 
  quadratis, 
  capite 
  atque 
  pronoto 
  multum 
  

   brevioribus, 
  parum 
  angustioribus, 
  profunde 
  asperatis, 
  setis 
  dua- 
  

   bus 
  erectis, 
  nigris 
  ad 
  latus 
  utrumque 
  instructis, 
  apicibus 
  fere 
  

   rectis 
  ; 
  abdomine 
  rufo-fusco 
  ; 
  pedibus 
  robustis, 
  laste 
  flavis 
  ; 
  an- 
  

   tennis 
  obscure 
  flavis. 
  

  

  Differs 
  from 
  other 
  species 
  in 
  its 
  short 
  quadrate 
  elytra, 
  

   thorax 
  widest 
  before 
  the 
  base, 
  rufesceut 
  abdomen, 
  and 
  short, 
  

   erect, 
  lateral 
  setEe. 
  

  

  Found 
  in 
  Brazil 
  by 
  Herr 
  Blumenau. 
  

  

  Trichopteryx 
  reticulata, 
  sp. 
  nov. 
  

  

  L. 
  c. 
  1*25 
  mm. 
  Brevis, 
  lata, 
  valde 
  convexa, 
  nitida, 
  elytris 
  stri- 
  

   gose 
  asperatis, 
  fusco-picea, 
  pilis 
  brevibus 
  aureis 
  vestita 
  ; 
  capite 
  

   magno, 
  lato, 
  umbilicatim 
  punctato, 
  oeulis 
  sat 
  prominentibus 
  ; 
  

   pronoto 
  sat 
  magno, 
  capite 
  multum 
  latiore, 
  ad 
  baeim 
  latissimo, 
  

   punctis 
  umbilicatis 
  confertim 
  impresso, 
  margine 
  basali 
  leviter 
  

   arcuata 
  angulis 
  latis 
  productis 
  ; 
  elytris 
  brevibus, 
  subquadratis, 
  

   pronoto 
  angustioribus, 
  reticulatim 
  et 
  strigose 
  asperatis, 
  apicibus 
  

   rotundatis 
  ; 
  abdomine 
  sat 
  longo, 
  umbilicatim 
  punctato, 
  atque 
  

   reticulato, 
  apice 
  integro 
  ; 
  pedibus 
  atque 
  antennis 
  lsete 
  flavis. 
  

  

  Differs 
  from 
  all 
  other 
  species 
  in 
  its 
  strigose 
  and 
  very 
  pecu- 
  

   liar 
  sculpture. 
  

  

  Found 
  in 
  Brazil 
  by 
  Herr 
  Blumenau. 
  

  

  Trichopteryx 
  Darwinii, 
  sp. 
  nov. 
  

  

  L. 
  c. 
  0-03 
  mm. 
  Oblonga, 
  convexa, 
  nitidula, 
  modice 
  tuberculata, 
  

   tota 
  castanea, 
  pilis 
  sat 
  longis 
  aureis 
  vestita 
  ; 
  capite 
  modico, 
  

   oeulis 
  parvis 
  ; 
  pronoto 
  brevi, 
  ad 
  basim 
  latissimo, 
  tuberculis 
  parvis 
  

   remotis 
  ornato, 
  angulis 
  posterioribus 
  vix 
  productis 
  ; 
  elytris 
  sat 
  

   brevibus, 
  quadratis, 
  pronoto 
  vix 
  latioribus, 
  postice 
  latissimis, 
  

   modice 
  asperatis, 
  apicibus 
  fere 
  rectis; 
  pedibus 
  flavis, 
  antennis 
  

   gracillimis, 
  pallide 
  flavis. 
  

  

  This 
  species 
  differs 
  from 
  T. 
  brevis 
  in 
  its 
  broader 
  form, 
  

   shorter 
  thorax, 
  very 
  slender 
  antennas, 
  and 
  finer 
  sculpture. 
  I 
  

   feel 
  much 
  pleasure 
  in 
  dedicating 
  this 
  insect 
  to 
  the 
  memory 
  of 
  

   the 
  late 
  C. 
  K. 
  Darwin, 
  by 
  whom 
  it 
  was 
  found 
  in 
  a 
  fungus 
  near 
  

   Rio 
  Janeiro. 
  

  

  Trichopteryx 
  tesserula, 
  sp. 
  nov. 
  

  

  L. 
  c. 
  - 
  63 
  mm. 
  Brevissima, 
  quadrata, 
  sat 
  depressa, 
  nitidula, 
  pilis 
  

   pallidis 
  vestita, 
  fusca 
  ; 
  capite 
  permagno, 
  antice 
  producto, 
  oeulis 
  

   parvis 
  : 
  pronoto 
  brevi, 
  capite 
  parum 
  latiore, 
  ad 
  basim 
  latissimo, 
  

  

  