﻿XII 
  LIST 
  OF 
  ILLUSTRATIONS. 
  

  

  Page. 
  

  

  Hooks 
  from 
  introvert 
  of 
  Aspidosiphon 
  speciosiis. 
  X 
  290 
  427 
  

  

  Apices 
  of 
  mandibles 
  in 
  Isodontia. 
  A. 
  cinera 
  (cotype); 
  B, 
  bipunctata 
  Roliwcr 
  

  

  (type) 
  ; 
  C, 
  macrocephala 
  Fox 
  (type) 
  453 
  

  

  Transverse 
  section 
  of 
  a 
  protocnemic 
  mesentery 
  of 
  Edwardsiella 
  califomica. 
  

  

  mp, 
  muscle 
  pennon; 
  nc, 
  nematocyst 
  capsule; 
  pm, 
  parietal 
  muscle 
  552 
  

  

  Figy5. 
  1-3. 
  1, 
  Equus 
  fraternus. 
  X 
  1, 
  Right 
  upper 
  premolar; 
  2, 
  Left 
  upper 
  pre- 
  

   molar; 
  3, 
  Right 
  upper 
  premolar 
  570 
  

  

  Figs. 
  4-10. 
  4, 
  6, 
  10, 
  Equus 
  fraternus. 
  X 
  1- 
  4, 
  Right 
  upper 
  molar; 
  6, 
  Left 
  sec- 
  

   ond 
  and 
  third 
  premolars; 
  10, 
  Right 
  upper 
  premolar? 
  5, 
  7, 
  8, 
  9, 
  Equus 
  Icidyi. 
  

   X 
  1; 
  5, 
  Right 
  upper 
  premolar; 
  7, 
  Right 
  upper 
  molar; 
  8, 
  Right 
  upper 
  molar; 
  

  

  9, 
  Right 
  upper 
  premolar? 
  573 
  

  

  Figs. 
  11-15. 
  11, 
  Equus 
  leidyi. 
  X 
  1- 
  Right 
  upper 
  premolar; 
  12~lb, 
  Equus 
  fra- 
  

   ternus. 
  X 
  1; 
  12, 
  Right 
  upper 
  premolar? 
  13, 
  Lower 
  right 
  molar 
  or 
  premolar; 
  

  

  14, 
  Lower 
  right 
  molar 
  or 
  premolar; 
  15, 
  Lower 
  left 
  last 
  molar 
  575 
  

  

  Figs. 
  16-18. 
  16, 
  Equu^ 
  leidyi. 
  X 
  1- 
  Lower 
  left 
  molar 
  or 
  premolar. 
  17-18, 
  Equus 
  

  

  littoralis. 
  XI- 
  17, 
  Upper 
  left 
  molar. 
  18, 
  Upper 
  left 
  molar 
  575 
  

  

  Figs. 
  19-21. 
  19, 
  Equus 
  niobrarensis. 
  X 
  i- 
  Upper 
  jaw, 
  left 
  side; 
  20, 
  Left 
  lower 
  

  

  jaw 
  ; 
  21, 
  Left 
  lower 
  jaw 
  579 
  

  

  Figs. 
  22-24. 
  22, 
  Equus 
  niobrarensis. 
  X 
  §• 
  Right 
  upper 
  milk 
  molars; 
  23, 
  Left 
  

  

  lower 
  milk 
  molars; 
  24, 
  Equus 
  excelsus. 
  X 
  f- 
  Left 
  lower 
  milk 
  molars 
  583 
  

  

  Figs. 
  25-27. 
  2b, 
  Equus 
  laurentius. 
  Left 
  upper 
  premolars 
  and 
  molars. 
  X 
  i; 
  26, 
  

  

  Left 
  lower 
  premolars 
  and 
  molars. 
  X 
  f; 
  27, 
  Left 
  side 
  of 
  palate. 
  Xf 
  587 
  

  

  Fig. 
  28. 
  Equus 
  excelsus. 
  Last 
  premolar 
  and 
  three 
  molars 
  of 
  right 
  side 
  of 
  upper 
  

  

  jaw. 
  X 
  i 
  593 
  

  

  Tarsus 
  of 
  Forficula 
  showing 
  the 
  second 
  segment 
  prolonged 
  beneath 
  the 
  third 
  . 
  . 
  596 
  

   Basal 
  portion 
  of 
  antenna 
  of 
  Labia, 
  showing 
  relative 
  structure 
  of 
  the 
  segments. 
  . 
  596 
  

  

  Head 
  of 
  Labia 
  from 
  above, 
  showing 
  length 
  of 
  cheeks 
  behind 
  the 
  eyes 
  597 
  

  

  Basal 
  portion 
  of 
  antenna 
  of 
  Prolabia, 
  showing 
  relative 
  structure 
  of 
  the 
  segments. 
  . 
  597 
  

   Head 
  of 
  Vostox 
  from 
  above, 
  showing 
  the 
  length 
  of 
  the 
  cheeks 
  behind 
  the 
  eyes. 
  . 
  597 
  

   Metasternum 
  of 
  Labidura, 
  showing 
  the 
  posterior 
  width 
  as 
  compared 
  with 
  that 
  

  

  of 
  the 
  hind 
  coxa 
  599 
  

  

  !Metastemum 
  of 
  Psalis, 
  showing 
  the 
  posterior 
  width 
  as 
  compared 
  with 
  that 
  of 
  the 
  

  

  hind 
  coxa 
  599 
  

  

  Claws 
  of 
  Eurycotis, 
  showing 
  the 
  arolia 
  between 
  them. 
  Pronotal 
  disk 
  of 
  Phyllo- 
  

   dromica, 
  showing 
  coloration. 
  Wing 
  of 
  Ischnoptera, 
  showing 
  venation, 
  v, 
  

   incomplete 
  branches 
  of 
  the 
  ulnar 
  vein. 
  Fore 
  femora 
  of 
  Blatella, 
  showing 
  

   ventral 
  armature. 
  Fore 
  femora 
  of 
  Supella, 
  showing 
  ventral 
  armature. 
  

  

  Antennae 
  of 
  Pseudomops, 
  showing 
  basal 
  swelling 
  600 
  

  

  Cerci 
  of 
  Periplaneta 
  brunnea, 
  female 
  602 
  

  

  . 
  Cerci 
  of 
  Periplaneta 
  americana, 
  female 
  602 
  

  

  Pronotal 
  disk 
  of 
  Pseudomops 
  dncta, 
  showing 
  coloration 
  603 
  

  

  Pronotum 
  of 
  Stagmomantis, 
  showing 
  shape. 
  Pronotum 
  of 
  Mantoida, 
  showing 
  

   shape. 
  Head 
  of 
  Litaneutria, 
  showing 
  shape 
  of 
  eyes. 
  Extended 
  anterior 
  coxa 
  

   of 
  Litaneutria, 
  showing 
  the 
  rounded 
  swelling 
  of 
  the 
  distal 
  end 
  of 
  the 
  inner 
  

   dorsal 
  margin. 
  Extended 
  anterior 
  coxa 
  of 
  OUgonyx, 
  showing 
  the 
  more 
  

   prominent 
  and 
  abrupt 
  swelling 
  of 
  the 
  distal 
  end 
  of 
  the 
  inner 
  dorsal 
  margin. 
  

   Antenna 
  of 
  Brunnea, 
  showing 
  the 
  basal 
  swelling. 
  Pronotum 
  of 
  Gonatista, 
  

   showing 
  shape. 
  Facial 
  shield 
  of 
  Stagmomantis, 
  showing 
  width 
  as 
  compared 
  

   with 
  the 
  height. 
  Facial 
  shield 
  of 
  Mantis, 
  showing 
  width 
  as 
  compared 
  with 
  

  

  the 
  height. 
  Head 
  of 
  Yersinia, 
  showing 
  shape 
  of 
  eyes 
  607 
  

  

  The 
  tip 
  of 
  abdomen 
  of 
  Manomera 
  orthostylus, 
  showing 
  straight 
  cerci 
  612 
  

  

  Fore 
  limb 
  of 
  American 
  zeuglodon 
  651 
  

  

  Pelvic 
  bone 
  of 
  American 
  zeuglodon 
  652 
  

  

  Femur 
  of 
  American 
  zeuglodon 
  652 
  

  

  