﻿NIAGARA 
  FALLS 
  AND 
  VICINITY 
  

  

  239 
  

  

  NAME 
  OF 
  SPECIES 
  

  

  •a 
  

  

  1 
  

  

  Cfl 
  

  

  1 
  

  

  

  

  X 
  

  

  X 
  

   X 
  

   X 
  

   X 
  

   X 
  

   X 
  

   X 
  

  

  X 
  

  

  X 
  

   X 
  

  

  a 
  

   1 
  

   1 
  

  

  X 
  

   X 
  

  

  ■^^ 
  

   > 
  a 
  

  

  3 
  

  

  a 
  

  

  u 
  

  

  >> 
  

   •a 
  

  

  

  1.1 
  

  

  i2 
  

  

  1 
  

  

  u 
  

   > 
  

  

  1 
  

  

  4) 
  

  

  c 
  

   > 
  

   2 
  

  

  Pelecypoda 
  

  

  18 
  Sphaeriumstriatinum 
  (Lam.) 
  

  

  19 
  S. 
  stamineum 
  (Conrad) 
  

  

  20 
  Pisidium 
  virginicum 
  Bourg. 
  . 
  

  

  21 
  P. 
  compressum 
  Prime 
  ...._. 
  

  

  22 
  P. 
  abditum 
  Haldeman 
  

  

  X 
  

  

  

  X 
  

  

  X 
  

  

  X 
  

  

  X 
  

   X 
  

  

  

  

  

  

  

  /; 
  

  

  

  

  

  

  

  

  

  /> 
  

  

  

  

  

  

  

  

  

  a 
  

  

  23 
  P. 
  ultra-montanum 
  Prime. 
  .. 
  

   24. 
  P. 
  scutellatum 
  Sterki 
  

  

  25 
  Lampsilis 
  rectus 
  (Lam.) 
  

  

  26 
  L. 
  ellipsiformis 
  (Conrad) 
  . 
  .. 
  

  

  27 
  Alasmidonta 
  calceola 
  (Lea) 
  . 
  

  

  28 
  A. 
  truncata 
  (Wright) 
  

  

  29 
  Unio 
  gibbosus 
  Barnes 
  

  

  30 
  Quadrula 
  solida 
  (Lea) 
  

  

  

  

  

  

  

  

  

  a 
  

  

  

  

  

  

  

  

  

  a 
  

  

  

  

  

  

  

  

  X 
  

   X 
  

   X 
  

   X 
  

   X 
  

   X 
  

   X 
  

  

  

  X 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  X 
  

   X 
  

   X 
  

  

  X 
  

  

  X 
  

  

  

  X 
  

  

  X 
  

  

  .... 
  

  

  31 
  Q. 
  coccinea 
  (Conrad) 
  

  

  X 
  

  

  X 
  

  

  X 
  

  

  

  X 
  

  

  X 
  

  

  .... 
  

  

  a 
  Lime 
  lake. 
  

  

  (5 
  Chippewa 
  creek. 
  

  

  -c 
  Living, 
  but 
  not 
  within 
  a 
  radius 
  of 
  50 
  miles. 
  

  

  Class 
  GASTROPODA 
  Cuvier 
  

   Genus 
  pleurocera 
  Rafinesque. 
  1819 
  

   Shell 
  lengthened 
  and 
  conical, 
  aperture 
  rnoderately 
  prolong-ed 
  into 
  

   a 
  short 
  spout 
  or 
  canal 
  in 
  front. 
  The 
  columella 
  is 
  not 
  thickened. 
  

  

  Pleurocera 
  subulare 
  Lea 
  (Fig. 
  161) 
  (Philos. 
  soc. 
  Trans. 
  4:100) 
  

   Shell 
  large 
  and 
  heavy, 
  elevated 
  and 
  turreted, 
  having 
  an 
  

   acute 
  apex; 
  nine 
  to 
  11 
  whorls, 
  flat, 
  shouldered 
  at 
  the 
  su- 
  

   ture, 
  which 
  is 
  impressed; 
  body 
  whorl 
  surrounded 
  by 
  three 
  

   ridges, 
  the 
  middle 
  being 
  the 
  most 
  prominent; 
  aperture 
  

   small, 
  lip 
  thin, 
  folding 
  back 
  over 
  the 
  columella 
  and 
  cover- 
  

   ing 
  the 
  umbilical 
  tract. 
  

   Locality. 
  Goat 
  island. 
  

  

  Fig.ieiPlPi:- 
  

   rocera 
  suba- 
  

  

  Genus 
  goniobasis 
  Lea. 
  1862 
  ^'^'^ 
  

  

  Shell 
  heavy, 
  elongated 
  or 
  ovate, 
  aperture 
  plain, 
  slightly 
  angulated 
  

   in 
  front. 
  

  

  Goniobasis 
  livescens 
  (Menke) 
  Tyron 
  1873 
  (Fig. 
  162). 
  M 
  e- 
  

   lania 
  livescens 
  Menke 
  (1830. 
  Syn. 
  mcth. 
  p. 
  135) 
  

  

  