﻿EXPLANATION 
  OF 
  PLATES. 
  

  

  PLATE 
  XLIII. 
  

  

  Fig. 
  1. 
  Termopsis 
  angicsticoUis, 
  pronotum. 
  

  

  Fig. 
  2. 
  Termopsis 
  angusticollis, 
  mesonotum: 
  w^ 
  

   Ist 
  pair 
  of 
  wings. 
  

  

  Fig. 
  3. 
  Termopsis 
  angusticollis, 
  metanotum 
  : 
  w', 
  

   2d 
  pail- 
  of 
  wixigs. 
  

  

  Fig. 
  4. 
  Term^opsis 
  angusticollis, 
  propleuxum. 
  

  

  Fig. 
  5. 
  Termopsis 
  angusticollis, 
  mesopleurum. 
  

  

  Fig. 
  6. 
  Termopsis 
  -angusticollis, 
  metapleumm. 
  

  

  Fig. 
  7. 
  Termopsis 
  angusticollis, 
  protliorax, 
  ster- 
  

   nal 
  view 
  : 
  pst, 
  praBSternum 
  ; 
  not, 
  notum. 
  

  

  Fig. 
  8. 
  Termopsis 
  angusticollis, 
  mesothorax, 
  ster- 
  

   nal 
  view. 
  

  

  All 
  enlarged. 
  Gissler 
  del. 
  

  

  Fig. 
  9. 
  Termopsis 
  angusticollis, 
  metathorax, 
  ster- 
  

   nal 
  view. 
  

  

  Fig. 
  10. 
  Psocus 
  novce-scotice, 
  meso- 
  and 
  metatho- 
  

   rax 
  (notum), 
  dorsal 
  view: 
  w\ 
  w^, 
  wings. 
  

  

  Fig. 
  11. 
  Psocus 
  novce-scotice, 
  metanotum, 
  seen 
  

   more 
  from 
  behind. 
  

  

  Fig. 
  12. 
  Psocus 
  novce-scotice, 
  meso- 
  and 
  meta- 
  

   pleura. 
  

  

  Fig. 
  13. 
  Psocus 
  novce-scotice, 
  mesothorax, 
  seen 
  

   from 
  in 
  front. 
  

  

  Fig. 
  14. 
  Psocus 
  novce-scotice, 
  mesoscutellum. 
  

  

  under 
  author's 
  direction. 
  

  

  PLATE 
  XLIV. 
  

  

  Fig. 
  1. 
  Pteronarcys 
  ealifornica, 
  propleurum. 
  

   Fig. 
  2. 
  Pteronarcys 
  ealifornica, 
  mesopleurum. 
  

   Fig. 
  3. 
  Pteronarcys 
  ealifornica, 
  metapleurum^ 
  

   Fig. 
  4. 
  Pteronarcys 
  ealifornica, 
  prostemum 
  

   Fig. 
  5. 
  Pteronarcys 
  ealifornica, 
  mesostemmn. 
  

   Fig. 
  6. 
  Pteronarcys 
  ealifornica, 
  metastemum. 
  

  

  Fig. 
  7. 
  Pteronarcys 
  ealifornica, 
  ahdomen, 
  dorsal 
  

  

  view. 
  

   Fig. 
  8. 
  Pteronarcys 
  ealifornica, 
  ahdomen, 
  ventral 
  

  

  view: 
  rh, 
  rhabdites. 
  

   Fig. 
  9. 
  Pteronarcys 
  ealifornica, 
  abdomen, 
  lateral 
  

  

  view: 
  6r,branchiaeorgills;sp, 
  spiracles. 
  

  

  "WiUiam 
  W. 
  Griffin 
  del., 
  under 
  author's 
  direction. 
  AH 
  magnified. 
  

  

  PLATE 
  XLV. 
  

  

  Fig. 
  1. 
  Ephemera 
  (Leptophlebia) 
  cupida 
  ? 
  Head 
  

   and 
  thorax, 
  dorsal 
  view 
  : 
  pro-n, 
  prono- 
  

   tum 
  ; 
  wi, 
  w2, 
  Ist 
  and 
  2d 
  pair 
  of 
  wings 
  ; 
  

   1, 
  first 
  abdominal 
  segment. 
  

  

  Fig. 
  2. 
  Ephemera 
  (Leptophlebia) 
  cupida? 
  Head 
  

   seen 
  from 
  beneath 
  : 
  lb, 
  labium 
  ; 
  Ip, 
  la- 
  

   bial 
  palpi; 
  mx, 
  maxilla; 
  st, 
  prester- 
  

   num. 
  

  

  Fig. 
  3. 
  Ephemera 
  (Leptophlebia) 
  cupida? 
  Head 
  

   seen 
  from 
  above. 
  

  

  . 
  Fig. 
  4. 
  Ephemera 
  (Leptophlebia) 
  cupida 
  ? 
  Head 
  

   and 
  prothorax, 
  seen 
  laterally. 
  

  

  Figs. 
  1-5 
  drawn 
  by 
  Dr. 
  C. 
  

  

  ¥lQ. 
  5. 
  Ephemera 
  (Leptophlekia) 
  cupida? 
  Meso- 
  

  

  andmeta-stemum: 
  ep, 
  spiracle. 
  

   Fig. 
  6. 
  Ephemera 
  sp., 
  larva, 
  head 
  seen 
  from 
  in 
  

  

  front: 
  md, 
  mandibles. 
  

   Fig. 
  7. 
  Ephemera 
  sp., 
  larva, 
  head 
  seen 
  from 
  the 
  

  

  side, 
  the 
  occipital 
  region 
  not 
  drawn. 
  

   Fig. 
  8. 
  Ephemera, 
  pupa, 
  head 
  seen 
  from 
  in 
  front. 
  

   Fig. 
  9. 
  Ephemera, 
  imago, 
  head 
  seen 
  from 
  above. 
  

   Fig. 
  10. 
  Ephemera, 
  imago, 
  head 
  seen 
  from 
  above, 
  

  

  different 
  view, 
  more 
  in 
  front. 
  

  

  F. 
  Gissler; 
  6-10, 
  author 
  del. 
  

  

  PLATE 
  XL 
  VI. 
  

  

  Fig. 
  1. 
  Ephemera 
  (Leptophlebia) 
  cupida 
  ? 
  Male, 
  Fig. 
  3. 
  

  

  much 
  enlarged 
  to 
  show 
  the 
  structure 
  

  

  of 
  the 
  notum 
  and 
  abdomen 
  : 
  c, 
  cerco- 
  

  

  poda; 
  rh, 
  outer 
  3-jointed 
  claspers 
  or 
  Fig. 
  4. 
  

  

  rhabdites 
  ; 
  rh^, 
  inner 
  pair 
  of 
  3-jointed 
  

  

  rhabdites. 
  

   Fig. 
  2. 
  Ephemera 
  (Leptophlebia) 
  cupida? 
  Side 
  Fig. 
  5. 
  

  

  view 
  of 
  thorax 
  : 
  the 
  lettering 
  as 
  in 
  other 
  

  

  plates. 
  

  

  All 
  the 
  figures 
  enlarged. 
  Gissler 
  del. 
  

  

  Ephemera 
  (Leptophlebia) 
  cupida? 
  Side 
  

   view 
  of 
  propleurum, 
  with 
  side 
  view 
  

   of 
  notum. 
  

  

  Ephemera 
  (Leptophlebia) 
  cupida? 
  Abdo- 
  

   men, 
  ventral 
  view, 
  showing 
  the 
  9 
  uro- 
  

   stemites. 
  v 
  

  

  Ephemera 
  (Leptophlebia) 
  cupida? 
  Abdo- 
  

   men, 
  lateral 
  view. 
  

  

  PLATE 
  XLVII. 
  

  

  Fig. 
  1. 
  ^sc/ma 
  fteros, 
  head, 
  front 
  view: 
  cZ. 
  2?, 
  post-, 
  Fig. 
  

  

  cl. 
  a, 
  ante-clypeus. 
  Fig. 
  

  

  Fig. 
  2. 
  ^schna 
  heros, 
  head, 
  lateral 
  view. 
  Fig. 
  

  

  Fig. 
  3. 
  ^schna 
  heros, 
  head, 
  under 
  view. 
  Fig. 
  

  

  Fig. 
  4. 
  Agrion 
  verticale 
  ?, 
  head, 
  vertical 
  view. 
  

   Fig. 
  5. 
  Agrion 
  verticale 
  ?, 
  head, 
  under 
  view. 
  

   Fig. 
  6. 
  Agrion 
  verticale 
  ?,h.e3id,l3iteTal 
  view. 
  

   Fig. 
  7. 
  ^schna 
  heros, 
  labium: 
  1, 
  2, 
  1st 
  and 
  2d 
  Fig. 
  

  

  joint 
  of 
  labial 
  palpus; 
  le, 
  lamina 
  ex. 
  Fig. 
  

  

  terior 
  of 
  ligula 
  ; 
  li, 
  lamina 
  interior. 
  

  

  All 
  the 
  parts 
  enlarged 
  ; 
  drawn 
  by 
  William 
  "W 
  

  

  (0) 
  

  

  8. 
  ^schna 
  heros, 
  maxilla. 
  

  

  9. 
  JEschna 
  heros, 
  mandible. 
  

  

  10. 
  Agrion 
  verticale 
  ?, 
  pronotum. 
  

  

  11. 
  Agrion 
  verticale 
  ?, 
  dorsal 
  portion 
  of 
  meso- 
  

  

  and 
  metathorax, 
  showing 
  the 
  great 
  

   development 
  of 
  the 
  epistema 
  (epis') 
  

   and 
  epimera 
  (em'). 
  ^ 
  

  

  12. 
  Oalopttryx 
  maculata, 
  pronotum. 
  

  

  13. 
  Calopteryx 
  maculata, 
  same 
  as 
  in 
  Fig. 
  11. 
  

  

  Grifl&n, 
  under 
  author's 
  direction. 
  

  

  