﻿24 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  67 
  

  

  12. 
  Elytra 
  not 
  paler 
  at 
  apex 
  * 
  polita 
  Westwood. 
  

  

  ( 
  ? 
  f 
  ugax 
  Westwood. 
  ) 
  

   Elytra 
  with 
  the 
  apex 
  rufescent. 
  Thorax 
  with 
  the 
  margins 
  not 
  explanate. 
  

  

  difficilis 
  Blackburn. 
  

   (? 
  polita 
  Westwood.) 
  

  

  13. 
  Elytra 
  with 
  a 
  marginal 
  series 
  of 
  a 
  few 
  strong 
  punctures 
  near 
  the 
  base. 
  

  

  * 
  laevigata 
  Caste! 
  nau. 
  

   Elytra 
  minutely 
  punctate 
  14 
  

  

  14. 
  Thorax 
  alutaceous. 
  Elytra 
  with 
  disk 
  less 
  densely 
  punctate. 
  

  

  * 
  fugax 
  Westwood. 
  

   Thorax 
  minutely 
  punctate 
  15 
  

  

  15. 
  Elytra 
  more 
  distinctly 
  punctate. 
  Side 
  margins 
  not 
  paler. 
  

  

  * 
  punctatissima 
  MacLeay. 
  

  

  Elytra 
  very 
  finely 
  punctate. 
  Side 
  margins 
  narrowly 
  and 
  abruptly 
  paler. 
  

  

  * 
  amaroides 
  Newman. 
  

  

  16. 
  Size 
  larger, 
  not 
  less 
  than 
  S 
  mm 
  17 
  

  

  Size 
  smaller, 
  not 
  more 
  than 
  7 
  mm 
  21 
  

  

  17. 
  Thorax 
  with 
  side 
  margins 
  much 
  wider 
  in 
  front 
  * 
  tasmanica 
  Castelnau. 
  

  

  Thorax 
  with 
  side 
  margins 
  not 
  distinctly 
  wider 
  in 
  front 
  18 
  

  

  18. 
  Thorax 
  with 
  side 
  margins 
  much 
  narrower 
  in 
  front. 
  Elytra 
  very 
  strongly 
  

  

  striate 
  striata 
  Castelnau. 
  

  

  Thorax 
  with 
  side 
  margins 
  not 
  distinctly 
  narrower 
  in 
  front 
  19 
  

  

  19. 
  Thorax 
  and 
  elytra 
  with 
  side 
  margins 
  paler, 
  piceous. 
  Thorax 
  smooth. 
  Ely- 
  

  

  tra 
  distinctly 
  striate 
  * 
  mastersi 
  Macleay. 
  

  

  Thorax 
  and 
  elytra 
  with 
  the 
  side 
  margins 
  not 
  paler 
  20 
  

  

  20. 
  Form 
  broader. 
  Elytra 
  distinctly 
  striate 
  vicina 
  Castelnau. 
  

  

  Form 
  narrower, 
  more 
  parallel. 
  Elytra 
  with 
  striate 
  rather 
  indistinct. 
  

  

  fallax 
  Westwood. 
  

  

  21. 
  Elytra 
  with 
  striae 
  confined 
  to 
  apical 
  portion 
  * 
  semistriata 
  Castelnau. 
  

  

  Elytra 
  with 
  striae 
  extending 
  over 
  median 
  portion 
  22 
  

  

  22. 
  Form 
  more 
  oblong. 
  Margins 
  of 
  thorax 
  and 
  elytra 
  paler. 
  Size 
  larger, 
  

  

  7 
  mm 
  * 
  dubia 
  Castelnau. 
  

  

  Form 
  more 
  oval. 
  Margins 
  of 
  thorax 
  and 
  elytra 
  not 
  paler. 
  Size 
  smaller, 
  

   5 
  mm 
  * 
  ovalis 
  Castelnau. 
  

  

  The 
  following- 
  species 
  of 
  Sttphomorpha 
  are 
  identified 
  in 
  the 
  ma- 
  

   terial 
  at 
  hand 
  : 
  

  

  SILPHOMORPHA 
  FROGGATTI 
  MacLeay 
  

  

  Laura 
  (Lea) 
  (2). 
  — 
  Coll. 
  Amer. 
  Mus. 
  Nat. 
  Hist. 
  

  

  SILPHOMORPHA 
  STRIATIPENNIS 
  MacLeay 
  

  

  Port 
  Darwin, 
  Northern 
  Territory 
  (Lea). 
  — 
  Coll. 
  Am#r. 
  Mus. 
  Nat. 
  

   Hist. 
  

  

  SILPHOMORPHA 
  DIFFICILIS 
  Blackburn 
  

  

  Australia, 
  58,124. 
  — 
  Coll. 
  Notman. 
  

  

  SILPHOMORPHA 
  STRAITA 
  Castelnau 
  

  

  New 
  South 
  Wales 
  (Hy 
  Edwards 
  Coll.).— 
  Coll. 
  Amer. 
  Mus. 
  Nat. 
  

   Hist. 
  

  

  