﻿Mr. 
  W. 
  L. 
  Distant's 
  RhrjnchoUd 
  Notes. 
  181 
  

  

  Adeniana. 
  

  

  Ade7iia, 
  Dist. 
  Auu. 
  & 
  Mag-. 
  Nat. 
  Hist. 
  (7) 
  xvi. 
  p. 
  210 
  (1905), 
  nom. 
  

  

  praeocc. 
  

   Adeniana, 
  Dist. 
  Syn. 
  Cat. 
  Horn., 
  Oicad. 
  p. 
  149 
  (1906), 
  n. 
  nom. 
  

  

  Type, 
  A. 
  yeTlmryi, 
  Dist. 
  

  

  Adeniana 
  yerburyi. 
  

  

  Adenia 
  yerbunji, 
  Dist. 
  Ann. 
  & 
  Mag. 
  Nat. 
  Hist. 
  (7) 
  xvi. 
  p. 
  211 
  (1905). 
  

   Adeniana 
  yerbnryi, 
  Dist. 
  Sjn. 
  Cat. 
  Horn., 
  Cicad. 
  p. 
  149 
  (1906). 
  

  

  Aden, 
  

  

  Adeniana 
  oJ>okensis. 
  sp. 
  n. 
  

  

  Head 
  and 
  pronotuni 
  ochraceoiis 
  ; 
  front 
  (excluding 
  lateral 
  

   margins) 
  and 
  the 
  area 
  of 
  the 
  ocelli 
  piceous, 
  lateral 
  margins 
  

   o£ 
  vertex 
  and 
  lateral 
  and 
  posterior 
  margins 
  of 
  pronotum 
  

   paler 
  ocliraceouSj 
  the 
  latter 
  with 
  a 
  central 
  fascia, 
  widened 
  

   anteriorly 
  and 
  posteriorly, 
  and 
  the 
  fissures 
  piceous; 
  meso- 
  

   notum 
  pale 
  ocliraceous, 
  with 
  four 
  large 
  black 
  obconical 
  spots, 
  

   the 
  two 
  central 
  ones 
  smaller 
  and 
  contiguous, 
  the 
  outer 
  spots 
  

   almost 
  percurrent 
  ; 
  abdomen 
  above 
  ocliraceous, 
  the 
  base 
  

   and 
  a 
  central 
  segmental 
  series 
  of 
  transverse 
  spots 
  black 
  ; 
  

   posterior 
  segmental 
  margin 
  pale 
  ocliraceous; 
  head 
  beneath, 
  

   sternum, 
  legs, 
  rostrum, 
  and 
  opercula 
  ocliraceous 
  ; 
  abdomen 
  

   beneath 
  pale 
  greyish, 
  the 
  two 
  last 
  segments 
  ocliraceous 
  ; 
  

   tegmina 
  and 
  wings 
  hyaline, 
  venation 
  piceous, 
  the 
  first 
  with 
  

   the 
  costal 
  membrane 
  and 
  some 
  of 
  the 
  basal 
  veins, 
  wings 
  with 
  

   some 
  of 
  the 
  basal 
  veins 
  and 
  the 
  transverse 
  veins 
  at 
  bases 
  of 
  

   central 
  apical 
  areas 
  ochraceous 
  ; 
  head 
  with 
  front 
  conically 
  

   produced, 
  a 
  little 
  shorter 
  than 
  vertex, 
  the 
  anterior 
  margins 
  of 
  

   latter 
  rounded, 
  and 
  moderately 
  at 
  right 
  angles 
  with 
  front; 
  

   pronotum 
  about 
  as 
  long 
  as 
  head, 
  its 
  posterior 
  angles 
  widely 
  

   ampliate; 
  abdomen 
  somewhat 
  broad, 
  only 
  moderately 
  con- 
  

   tracted 
  at 
  base 
  ; 
  face 
  slightly 
  longer 
  than 
  broad, 
  centrally 
  

   broadly, 
  longitudinally, 
  smootlily 
  stramineous, 
  the 
  transverse 
  

   striations 
  piceous 
  ; 
  rostrum 
  scarcely 
  reaching 
  the 
  inter- 
  

   mediate 
  coxio 
  ; 
  opercula 
  short 
  and 
  transverse, 
  their 
  apices 
  

   directed 
  somewhat 
  straightly 
  inwards, 
  their 
  lateral 
  angles 
  

   rounded 
  ; 
  wings 
  with 
  five 
  apical 
  areas. 
  

  

  Long., 
  excl. 
  tegm., 
  ^ 
  18 
  mm. 
  ; 
  exp. 
  tegm. 
  45 
  mm. 
  

  

  Hah. 
  Gulf 
  of 
  Aden; 
  Obok 
  (Brit. 
  Mas.). 
  

  

  Adeniana 
  nigricans, 
  sp. 
  n. 
  

  

  Head, 
  pronotuni, 
  and 
  mesoiiotuni 
  black; 
  apex 
  of 
  front 
  

   lateral 
  margins 
  of 
  verlex, 
  and 
  margins 
  and 
  a 
  spot 
  to 
  lateral 
  

  

  