﻿EXPLANATION 
  OF 
  PLATE 
  LVII. 
  

  

  Fig. 
  1. 
  Gynandromorph 
  of 
  Megachile 
  bicolor, 
  Fb. 
  x 
  4. 
  

   „ 
  2. 
  Hind 
  tarsus 
  of 
  Megachile 
  bicolor, 
  female 
  x 
  6. 
  

   n 
  3. 
  „ 
  „ 
  „ 
  male, 
  x6. 
  

  

  The 
  terminal 
  joint 
  in 
  the 
  male 
  is 
  longer 
  than 
  that 
  of 
  the 
  female. 
  

   „ 
  4. 
  Underside 
  of 
  anterior 
  tarsus 
  of 
  a 
  male 
  ; 
  the 
  arrow 
  points 
  to 
  the 
  characteristic 
  

   mark 
  on 
  it. 
  x 
  6. 
  

  

  „ 
  6. 
  Underside 
  of 
  the 
  abdomen 
  of 
  Megachile 
  bicolor 
  female, 
  lateral 
  view, 
  X 
  6. 
  

   ,, 
  6. 
  Underside 
  of 
  the 
  abdomen 
  of 
  Tig. 
  1 
  ; 
  lateral 
  view, 
  x 
  6. 
  

   ,, 
  7. 
  Spines 
  on 
  anterior 
  coxae 
  of 
  Fig. 
  1 
  ; 
  x 
  6. 
  

  

  