﻿New 
  York 
  State 
  Museum. 
  37 
  

  

  Gillia 
  altilis, 
  Lea, 
  thirty-five 
  specimens. 
  

   Valvata, 
  tricarinata, 
  Say, 
  twenty- 
  one 
  specimens. 
  

   Melantho 
  decisa, 
  Say, 
  seventy-five 
  specimen 
  s. 
  

   Limnsea 
  stagnalis, 
  Linn., 
  five 
  specimens. 
  

   Limnsea 
  reflexa, 
  Say, 
  six 
  specimens 
  . 
  

   Limnsea 
  elodes, 
  Say, 
  five 
  specimens. 
  

   Limnaea 
  desidiosa, 
  Say, 
  eleven 
  specimens. 
  • 
  

   Limnsea 
  catascopium, 
  Say, 
  five 
  specimens. 
  

   Limnaaa 
  pallida, 
  Adams, 
  four 
  specimens. 
  

   Physa 
  ancillaria, 
  Say, 
  seven 
  specimens. 
  

   Physa 
  heterostroplia, 
  Say, 
  eleven 
  specimens. 
  

   Bulinus 
  hypnorum, 
  Linn., 
  five 
  specimens. 
  

   Planorbis 
  campanulatus, 
  Say, 
  ton 
  specimens. 
  

   Planorbis 
  trivolvis, 
  Say, 
  thirteen 
  specimens. 
  

   Planorbis 
  bicarinatus, 
  Say, 
  eight 
  specimens. 
  

   Planorbis 
  parvus, 
  Say, 
  sixteen 
  specimens. 
  

   Segmentina 
  armigera, 
  Say, 
  sixteen 
  specimens. 
  

   Macrocyclis 
  concava, 
  Say, 
  seven 
  specimens. 
  

   Zonites 
  fuliginosus, 
  Griff., 
  eight 
  specimens. 
  

   Zonites 
  inornatus, 
  Say, 
  seven 
  specimens. 
  

   Zonites 
  intertextus, 
  Binn., 
  six 
  specimens. 
  

   Zonites 
  arboreus, 
  Say, 
  nineteen 
  specimens. 
  

   Zonites 
  indentatus, 
  Say, 
  three 
  specimens. 
  

   Zonites 
  multidentatus, 
  Binn., 
  two 
  specimens. 
  

   Patula 
  alternata, 
  Say 
  r 
  nine 
  specimens. 
  

   Patula 
  perspectiva, 
  Say, 
  thirteen 
  specimens. 
  

   Patula 
  striatella, 
  Anthony, 
  thirty-one 
  specimens. 
  

   Helicodiscus 
  lineatus, 
  Say, 
  two 
  specimens. 
  

   Stenotrema 
  hirsutum, 
  Say, 
  four 
  specimens 
  . 
  

   Stenotrema 
  monodon, 
  Rack., 
  seven 
  specimens. 
  

   Vallonia 
  pulche 
  la, 
  Mull., 
  seven 
  specimens. 
  

   Triodopsis 
  palliata, 
  Say, 
  five 
  specimens 
  . 
  

   Triodopsis 
  tridentata, 
  Say, 
  eleven 
  specimens. 
  

   Triodopsis 
  fallax, 
  Say, 
  four 
  specimens. 
  

   Mesodon 
  albolabris, 
  Say, 
  six 
  specimens. 
  

   Mesodon 
  thyroides, 
  Say, 
  seven 
  specimens. 
  

   Mesodon 
  Sayii, 
  Binney, 
  three 
  specimens. 
  

   Pupa 
  muscorum, 
  Linn., 
  forty-five 
  specimens. 
  

   Ferussacia 
  subc}4indrica, 
  Linn., 
  thirteen 
  specimens. 
  

   Succinea 
  ovalis, 
  Goald, 
  five 
  specimens. 
  

   Succinea 
  obliqua, 
  Say, 
  four 
  specimens. 
  

  

  