﻿28 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  vol.xx. 
  

  

  I. 
  BARYTETTIX 
  CRASSUS, 
  new 
  species. 
  

   (I'Lite 
  II, 
  lij>. 
  10.) 
  

  

  Luteo-testaceous, 
  probably 
  flavesceiit 
  iu 
  life, 
  marked 
  with 
  fuscous 
  

   aud 
  black. 
  Head 
  subluteous, 
  a 
  little 
  infuscated 
  ou 
  vertex 
  and 
  with 
  

   a 
  fuscous 
  band 
  behind 
  the 
  eye 
  distinct 
  only 
  at 
  its 
  upper 
  margin; 
  bor- 
  

   ders 
  of 
  fastigium 
  and 
  frontal 
  costa 
  punctate; 
  other 
  parts 
  of 
  face 
  very 
  

   obscurely 
  and 
  sparsely 
  punctate; 
  frontal 
  costa 
  sulcate 
  throughout; 
  

   antennae 
  luteo-testaceous, 
  becoming 
  infuscated 
  on 
  the 
  apical 
  half. 
  

   Prozona 
  luteo-testaceous 
  above, 
  luteous 
  ou 
  the 
  lower 
  half 
  of 
  the 
  lateral 
  

   lobes, 
  tlieir 
  upper 
  half 
  occupied 
  by 
  a 
  broad 
  piceous 
  patch 
  which 
  nar- 
  

   rows 
  anteriorly 
  by 
  the 
  excision 
  of 
  its 
  lower 
  margin; 
  metazona 
  fusco- 
  

   testaceous 
  ; 
  epimera 
  black. 
  Tegmina 
  blackish 
  fuscous 
  with 
  dull 
  luteous 
  

   veins. 
  Fore 
  and 
  middle 
  legs 
  luteo-testaceous, 
  the 
  apical 
  half 
  of 
  the 
  

   claws 
  black, 
  the 
  arolia 
  much 
  more 
  than 
  half 
  as 
  long 
  as 
  the 
  last 
  tarsal 
  

   joint, 
  narrowly 
  edged 
  with 
  black 
  (hind 
  legs 
  wanting). 
  Abdomen 
  with 
  

   a 
  narrow 
  laterodorsal 
  dark 
  fuscous 
  stripe 
  on 
  some 
  of 
  the 
  basal 
  seg- 
  

   ments, 
  and 
  most 
  of 
  the 
  segments 
  dorsally 
  margined 
  posteriorly 
  with 
  

   testaceous. 
  Supraaual 
  plate 
  of 
  male 
  triangular 
  with 
  sinuous 
  sides, 
  

   either 
  longitudinal 
  half 
  broadly 
  and 
  deeply 
  sulcate, 
  the 
  rising 
  margins 
  

   between 
  tiiem 
  inclosing 
  a 
  deep 
  and 
  rather 
  narrow 
  median 
  sulcus, 
  con- 
  

   stricted 
  at 
  the 
  middle; 
  furcula 
  consisting 
  of 
  a 
  pair 
  of 
  approximate, 
  

   very 
  small, 
  rounded 
  lobes, 
  scarcely 
  projecting; 
  cerci 
  very 
  broad 
  and 
  

   compressed, 
  a 
  little 
  narrowed 
  before 
  the 
  middle, 
  the 
  basal 
  portion 
  a 
  

   little 
  bullate, 
  the 
  apical 
  j)roduced 
  by 
  its 
  inferior 
  extension, 
  the 
  apex 
  

   acutely 
  augulate 
  and 
  curved 
  downward, 
  the 
  whole 
  very 
  feebly 
  incurved; 
  

   upper 
  margin 
  of 
  the 
  subgenital 
  plate 
  straight 
  throughout, 
  well 
  rounded 
  

   apically, 
  the 
  tubercle 
  very 
  coarse 
  aud 
  very 
  blunt, 
  nearly 
  doubling 
  the 
  

   length 
  of 
  the 
  plate. 
  

  

  Length 
  of 
  body, 
  male, 
  21.75 
  mm.; 
  antennae, 
  11 
  mm.; 
  tegmina, 
  4 
  mm. 
  

  

  One 
  male. 
  San 
  Jose 
  del 
  (Jabo, 
  Lower 
  California, 
  G. 
  Eisen, 
  collection 
  

   California 
  Academy 
  of 
  Sciences 
  (L. 
  Bruner). 
  

  

  2. 
  BARYTETTIX 
  PENINSULAR, 
  new 
  species. 
  

  

  Light 
  testaceous 
  with 
  a 
  luteous 
  tinge, 
  marked 
  with 
  black. 
  Head 
  

   testaceous 
  with 
  a 
  faint 
  ferruginous 
  tinge, 
  marked 
  above 
  with 
  a 
  median, 
  

   more 
  or 
  less 
  broken, 
  black 
  stripe 
  which 
  follows 
  the 
  sulcus 
  of 
  the 
  fastig- 
  

   ium 
  and 
  broadens 
  considerably 
  behind; 
  also 
  with 
  a 
  very 
  broad 
  black 
  

   band 
  behind 
  the 
  eyes; 
  whole 
  face 
  and 
  lower 
  portion 
  of 
  the 
  genae 
  dis- 
  

   tinctly 
  but 
  sparsely 
  j)unctate, 
  the 
  frontal 
  costa 
  feebly 
  convex 
  except 
  

   for 
  a 
  slight 
  depression 
  below 
  the 
  ocellus; 
  antennae 
  light 
  ferrugiiious 
  

   on 
  basal, 
  ferruginous 
  on 
  apical 
  half. 
  Metazona 
  testaceous 
  with 
  no 
  

   luteous 
  but 
  a 
  feeble 
  olivaceous 
  tinge, 
  the 
  prozona 
  biteo-testaceous, 
  

   marked 
  on 
  disk 
  with 
  a 
  couple 
  of 
  narrow, 
  parallel, 
  subdorsal 
  black 
  lines 
  

   on 
  its 
  posterior 
  half, 
  which 
  cross 
  also 
  the 
  metazona, 
  but 
  are 
  there 
  

   evanescent 
  and 
  slightly 
  divergent; 
  lateral 
  lobes 
  of 
  the 
  prozona 
  m:irked 
  

  

  