﻿EXPLANATION 
  OF 
  PLATES. 
  

  

  Plate 
  I. 
  

  

  Fig. 
  1. 
  Adult 
  chinch-bug, 
  Blissus 
  leucopterus 
  Say. 
  

  

  Fig. 
  2. 
  Chinch-bug 
  enveloped 
  with 
  fruiting 
  Sporotrichum 
  globuliferum. 
  

  

  Fig. 
  3. 
  Micrococcus 
  insectorum 
  Burrill, 
  from 
  abdominal 
  contents 
  of 
  sick 
  chinch- 
  

   bug, 
  X 
  4,000. 
  

  

  Fig. 
  4. 
  A 
  mass 
  of 
  chinch-bugs 
  in 
  the 
  infection 
  cage 
  enveloped 
  with 
  growth 
  of 
  

   Sporotrichum. 
  

  

  Plate 
  II. 
  — 
  Sporotbichum 
  globulifebum. 
  

  

  Fig. 
  1. 
  Conidial 
  spores 
  of 
  Sporotrichum 
  globuliferum, 
  X 
  470. 
  

  

  Fig. 
  2. 
  Germinating 
  spore. 
  X 
  470. 
  

  

  Figs. 
  3 
  to 
  7, 
  inclusive. 
  Conidial 
  spore 
  of 
  Sporotrichum 
  in 
  various 
  stages 
  of 
  

   budding, 
  X 
  470. 
  

  

  Fig. 
  8. 
  Sprouting 
  conidial 
  spore 
  of 
  Sporotrichum 
  after 
  36 
  hours, 
  X 
  470. 
  

  

  Fig. 
  9. 
  Growth 
  of 
  Sporotrichum 
  over 
  surface 
  of 
  gelatine 
  plate, 
  showing 
  anasto- 
  

   mosis 
  of 
  the 
  mycelium 
  enlarged. 
  

  

  Fig. 
  10. 
  Spore-bearing 
  branch 
  of 
  Sporotrichum 
  greatly 
  enlarged. 
  

  

  Figs. 
  11 
  and 
  12. 
  Hyphal 
  bodies 
  in 
  body 
  of 
  gelatine 
  on 
  culture 
  plate, 
  X 
  470. 
  

  

  Fig. 
  13. 
  Resting 
  spore 
  of 
  Sporotrichum 
  on 
  culture 
  plate. 
  

  

  Plate 
  III. 
  — 
  Empusa 
  aphidis. 
  

  

  Fig. 
  1. 
  Section 
  across 
  body 
  of 
  chinch-bug 
  dead 
  of 
  Empusa 
  aphidis 
  highly 
  mag- 
  

   nified. 
  

   Fig. 
  2. 
  Conidiophore-bearing 
  terminal 
  conidium, 
  X 
  470. 
  

  

  Figs. 
  3 
  to 
  6, 
  inclusive. 
  Hyphal 
  bodies 
  of 
  Empusa 
  from 
  body 
  of 
  dead 
  chinch- 
  

   bug, 
  X 
  470. 
  

   Fig. 
  7. 
  A 
  resting 
  spore 
  from 
  body 
  of 
  chinch-bug 
  dead 
  of 
  Empusa 
  aphidis, 
  

   probably 
  of 
  an 
  accidental 
  fungus, 
  X 
  470. 
  

   (222) 
  

  

  