﻿318 
  Explanation 
  of 
  Plates. 
  

  

  4. 
  A. 
  nigroaenea, 
  mandibles 
  crossing 
  at 
  the 
  tips. 
  

  

  5. 
  A. 
  synadelpha 
  „ 
  „ 
  „ 
  

  

  6. 
  A. 
  dorsata, 
  mandibles 
  not 
  crossing. 
  

  

  7. 
  A. 
  praecox, 
  apex 
  of 
  8th 
  ventral 
  segment. 
  

  

  8. 
  A. 
  apicata 
  „ 
  „ 
  „ 
  

  

  9. 
  A. 
  trimmerana, 
  Auct., 
  cheek 
  and 
  base 
  of 
  mandible. 
  

  

  10. 
  A. 
  lapponica, 
  base 
  of 
  mandible. 
  

   10a. 
  „ 
  var. 
  base 
  of 
  mandible. 
  

  

  11. 
  A.fulva, 
  base 
  of 
  mandible. 
  

  

  12. 
  12a. 
  A. 
  praecox, 
  base 
  of 
  mandible. 
  

   (12a 
  very 
  aberrant.) 
  

  

  13. 
  1.3rt, 
  136. 
  A. 
  apicata, 
  base 
  of 
  mandible. 
  

  

  (13a 
  drawn 
  from 
  a 
  Continental 
  example.) 
  

  

  14. 
  A. 
  fucata, 
  base 
  of 
  mandible. 
  

  

  15. 
  A. 
  synadelpha, 
  base 
  of 
  mandible. 
  

  

  Explanation 
  of 
  Plate 
  XIV. 
  

  

  Antennal 
  joints 
  of 
  Nomada. 
  

  

  1. 
  N. 
  armata, 
  q, 
  3rd, 
  4th 
  and 
  5th 
  joints. 
  

  

  2. 
  N. 
  sexfasciata, 
  ^ 
  „ 
  „ 
  ,, 
  

  

  3. 
  N. 
  marshamella, 
  ^ 
  „ 
  „ 
  ,, 
  

  

  4. 
  N. 
  lineola, 
  ^ 
  „ 
  „ 
  „ 
  

  

  5. 
  N. 
  lathburiana, 
  (^ 
  „ 
  „ 
  ,, 
  

  

  6. 
  „ 
  „ 
  3 
  flagellar 
  joints 
  shoAving 
  tubercles. 
  

  

  7. 
  N. 
  hillana, 
  ^, 
  3rd, 
  4th 
  and 
  5th 
  joints. 
  

  

  8. 
  N. 
  guttulata, 
  ^ 
  „ 
  

  

  9. 
  N 
  . 
  flavoguttata, 
  ^ 
  „ 
  

  

  10. 
  N. 
  dbtusifrons, 
  J' 
  „ 
  

  

  11. 
  N. 
  ruficornis, 
  $ 
  „ 
  

  

  12. 
  N. 
  lathburiana, 
  $ 
  „ 
  

  

  13. 
  N. 
  lineola, 
  9 
  „ 
  

  

  14. 
  N. 
  marshamella, 
  $ 
  „ 
  

  

  15. 
  N. 
  dbtusifrons, 
  $ 
  „ 
  

  

  16. 
  N. 
  flavoguttata, 
  $ 
  „ 
  

  

  