﻿U. 
  S. 
  NATIONAL 
  MUSEUM 
  

  

  PROCEEDINGS, 
  VOL. 
  103. 
  PLATE 
  8 
  

  

  Top: 
  Stream 
  crossing 
  Sieese 
  Highway, 
  Alaska, 
  at 
  milepost 
  84.0. 
  Habitat 
  of 
  Pkagocata 
  

   nivea 
  and 
  Dendrocoelopsis 
  alaskensis. 
  Bottom: 
  Lake 
  at 
  milepost 
  23.5 
  of 
  Glenn 
  High- 
  

   way, 
  Alaska. 
  Under 
  stones 
  near 
  bank, 
  Dendrocoelopsis 
  piriformis. 
  

  

  