﻿AQUATIC 
  INSECTS 
  IN 
  THE 
  ADIRONDACKS 
  59I 
  

  

  PLATE 
  11 
  

  

  Ephemera 
  varia 
  Etn., 
  and 
  Siphlurus 
  alternatus 
  Say 
  

  

  Fig. 
  

  

  1 
  Lateral 
  view 
  of 
  the 
  nymph 
  of 
  E 
  . 
  v 
  ar 
  i 
  a 
  

  

  2 
  Dorsal 
  view 
  of 
  the 
  nymph 
  of 
  E 
  . 
  varia 
  

  

  3 
  Lateral 
  view 
  of 
  the 
  male 
  imago 
  of 
  E 
  . 
  varia 
  

  

  4 
  Dorsal 
  view 
  of 
  the 
  male 
  imago 
  of 
  E 
  . 
  vari 
  a 
  

  

  5 
  Lateral 
  view 
  of 
  the 
  nymph 
  of 
  8. 
  alternatus 
  

  

  6 
  Dorsal 
  view 
  of 
  the 
  nymph 
  ofS. 
  alternattis 
  

  

  7 
  Lateral 
  view 
  of 
  the 
  male 
  imago 
  ofS. 
  alternatus 
  

  

  PLATE 
  12 
  

  

  Climacia 
  dictyona 
  Needham, 
  nov. 
  sp., 
  and 
  Sisyra 
  umbrata 
  

  

  Needham, 
  nov. 
  sp. 
  

  

  Fig. 
  

  

  1 
  Imago 
  of 
  C. 
  dictyona, 
  lateral 
  view, 
  x 
  4 
  

  

  2 
  Imago 
  of 
  C. 
  dictyona, 
  dorsal 
  view, 
  x 
  3 
  

  

  3 
  Larva 
  of 
  C. 
  dictyona, 
  dorsal 
  view, 
  x 
  6 
  

  

  4 
  Pupal 
  cases 
  of 
  C. 
  dictyona, 
  in 
  situ, 
  natural 
  size 
  

  

  5 
  One 
  of 
  the 
  same, 
  enlarged, 
  showing 
  the 
  hexagonal 
  meshes 
  of 
  the 
  outer 
  cov- 
  

  

  ering 
  

  

  6 
  Imago 
  of 
  S. 
  umbrata, 
  lateral 
  view, 
  x 
  4 
  

  

  7 
  Imago 
  of 
  S. 
  umbrata, 
  dorsal 
  view, 
  x 
  3 
  

  

  8 
  Two 
  newly 
  formed 
  pupae 
  of 
  S. 
  umbrata, 
  lateral 
  and 
  ventral 
  views, 
  x 
  6 
  

   9Macronychu8 
  glabratus 
  Say 
  (Coleoptera: 
  Parnidae); 
  an 
  associate 
  

  

  of 
  the 
  sponge 
  fly 
  larvae, 
  on 
  submerged 
  timbers 
  

  

  10 
  Fresh-water 
  sponges 
  (Spongilla 
  ffragilis 
  Leidy) 
  in 
  situ, 
  with 
  the 
  

  

  sponge 
  fly 
  larvae 
  crawling 
  about 
  over 
  them 
  

  

  11 
  Two 
  pupal 
  cases 
  of 
  S. 
  umbrata, 
  showing 
  the 
  closely 
  woven 
  outer 
  cover- 
  

  

  ing, 
  natural 
  size 
  

  

  PLATE 
  13 
  

  

  Molanna 
  cinerea 
  Hagen 
  and 
  Polycentropus 
  lucidus 
  Hagen 
  

  

  Fig. 
  

  

  1 
  Dorsal 
  view 
  of 
  larva 
  of 
  Molanna 
  cinerea, 
  x4 
  

  

  2 
  Lateral 
  view 
  of 
  larva 
  of 
  M. 
  cinerea, 
  x5 
  

  

  3 
  Lateral 
  view 
  of 
  the 
  pupa 
  of 
  M. 
  cinerea, 
  x4i 
  

  

  4 
  Dorsal 
  view 
  of 
  imago 
  of 
  M. 
  cinerea, 
  x4 
  

  

  5 
  The 
  accustomed 
  resting 
  position 
  of 
  the 
  imago 
  of 
  M. 
  cinerea 
  

  

  6 
  Ventral 
  view 
  of 
  the 
  flat 
  larval 
  case 
  of 
  M 
  . 
  cinerea, 
  x2 
  

  

  7 
  Lateral 
  view 
  of 
  larva 
  of 
  Polycentropus 
  lucidus, 
  showing 
  the 
  very 
  

  

  long 
  anal 
  prologs, 
  and 
  the 
  absence 
  of 
  gill 
  filaments, 
  x5 
  

  

  8 
  Lateral 
  view 
  of 
  pupa 
  of 
  P. 
  lucidus, 
  x6 
  

  

  9 
  Dorsal 
  view 
  of 
  imago 
  of 
  P. 
  lucidus, 
  x3^ 
  

  

  10 
  Larval 
  ease 
  of 
  P. 
  lucidus; 
  tube 
  composed 
  of 
  sand 
  and 
  silk; 
  the 
  enlarge- 
  

  

  ment 
  near 
  the 
  end 
  is 
  two 
  layered, 
  and 
  contains 
  the 
  pupa. 
  

  

  11 
  Eggs 
  laid 
  by 
  P. 
  lucidus 
  female 
  on 
  a 
  stick 
  protruding 
  from 
  the 
  water 
  in 
  a 
  

  

  breeding 
  cage 
  

  

  