﻿f 
  ) 
  Genus 
  Amygdalum 
  Me 
  - 
  

   gerle 
  v 
  o 
  n 
  Muhlfeld 
  

   1811 
  . 
  XT,a.t, 
  noun 
  

   meaning 
  an 
  almond. 
  

   In 
  spite 
  of 
  its 
  neu- 
  

   ter 
  ending, 
  it 
  is 
  

   feminine, 
  ) 
  

  

  g 
  ) 
  Genus 
  Gregariella 
  

   Monterosato 
  1885 
  . 
  

   (Lat, 
  gregarius, 
  liv- 
  

   ing 
  in 
  flocks. 
  ?em. 
  

   Generally 
  used 
  as 
  

   a 
  subgenus 
  of 
  Vol- 
  

   sella 
  or 
  Modiolus.) 
  

  

  ^ 
  ) 
  Gen 
  us 
  M 
  y 
  tilu 
  s 
  Linn 
  e 
  

   1758 
  . 
  ]^Lat, 
  a 
  sea- 
  

   mussel. 
  Masc.) 
  

  

  i 
  ) 
  Genus 
  Musc 
  ulu 
  s 
  R 
  o- 
  

   ding 
  1798. 
  TLat. 
  a 
  

   mussel, 
  Eussel-like 
  

   shells, 
  Formerly 
  

   listed 
  as 
  Genus 
  M 
  o- 
  

   di 
  olaria 
  B 
  eck 
  1858 
  . 
  

   (i'rora 
  modiolus, 
  a 
  

   small 
  measure; 
  re- 
  

   calling 
  a 
  Modiolus. 
  

   Masc, 
  ) 
  

  

  j 
  ) 
  Genus 
  Botula 
  M 
  'd 
  rch 
  

   185 
  3. 
  (Lat. 
  botulus, 
  

   a 
  sausage. 
  Fern.) 
  

  

  k) 
  Genus 
  

  

  Lioberus 
  

   (Gr.' 
  

  

  Dall 
  

  

  1898. 
  (Gr. 
  lei 
  OS 
  ; 
  

   smooth 
  -I- 
  berus, 
  

   meaning 
  unknown. 
  Masc^ 
  

  

  150 
  ; 
  

  

  j 
  Amygda 
  lum 
  pap 
  yr 
  ia 
  Conrad 
  (paper; 
  shell 
  is! 
  

   j 
  fragileTT 
  Formerly 
  known 
  as 
  Modiolus 
  I 
  

   I 
  arlporescens 
  Dillvryn 
  (having 
  decorations 
  | 
  

   j 
  arranged 
  like 
  branches 
  of 
  a 
  tree; 
  pos- 
  \ 
  

   terior 
  slope 
  is 
  marked 
  v/ith 
  arborescent,! 
  

   j 
  blackish 
  lines.) 
  ! 
  

  

  i 
  Am 
  ygdalum 
  polita 
  polita 
  Verrill 
  & 
  Smith 
  j 
  

   j~Csmooth, 
  polished. 
  ) 
  j 
  

  

  ! 
  Amygdalum 
  polita 
  sagittata 
  Rehder 
  ( 
  Lat 
  . 
  \ 
  

   ' 
  sagitta, 
  an 
  arrov/; 
  shaped 
  like 
  an 
  arrow-i 
  

   J 
  head, 
  triangular. 
  Has 
  a 
  triangular 
  area 
  \ 
  

   :.. 
  with 
  transparent 
  spots.) 
  

  

  i 
  Gregariella 
  coralliophaga 
  Gmelin 
  ( 
  Gr 
  . 
  

  

  I 
  corallion, 
  coral 
  — 
  phago, 
  to 
  eat; 
  coral 
  

  

  eater, 
  nests 
  in 
  coral 
  sand.) 
  

   Gregariella 
  opifex 
  Say 
  (artist.) 
  

  

  My 
  ti 
  lus 
  edulis 
  Linne 
  (edible; 
  used 
  as 
  

  

  food. 
  ) 
  

   M;ytilus 
  edulis 
  pellucidus 
  Pennant 
  (bright, 
  

  

  transparent. 
  ) 
  

  

  Musculus 
  corruga 
  tu 
  s 
  St 
  im 
  pson 
  (corrugated, 
  

   wrinkled; 
  with 
  ribs 
  and 
  wrinkles,) 
  

  

  Musculus 
  discors 
  Linne 
  (discordant, 
  dif- 
  

   ferent 
  . 
  ) 
  

  

  Musculus 
  laevig 
  a 
  tus 
  Gray 
  (smooth; 
  has 
  no 
  

   pronounced 
  radial 
  riblet.) 
  

  

  Muscu 
  lus 
  lateralis 
  Say 
  (lateral; 
  trans- 
  

   versely 
  oval; 
  oblong.) 
  

  

  M 
  usculu 
  s 
  niger 
  Gray 
  (black; 
  shell 
  is 
  

   brownish-black. 
  ) 
  

  

  Muse 
  ul 
  us 
  skomma 
  McLean 
  & 
  Sch 
  xvengel 
  ( 
  Gr 
  . 
  

   skomma, 
  a 
  noun 
  meaning 
  a 
  jest, 
  joke; 
  by 
  

   way 
  of 
  a 
  joke,) 
  

  

  Musculus 
  substriatus 
  Gray 
  ( 
  somev/hat 
  mark- 
  

  

  _ 
  ed 
  v/ith 
  striae, 
  1 
  

  

  Botu 
  l 
  a 
  fusca 
  Gmelin 
  ( 
  du 
  sky 
  ; 
  

   dark-brown. 
  ) 
  

  

  surface 
  is 
  

  

  ! 
  Lioberus 
  castaneus 
  Say 
  ( 
  chestnut-colored. 
  ) 
  

   ' 
  Formerly 
  known 
  as 
  Botula 
  castanea 
  Say 
  . 
  

  

  Lithophaga 
  antillarum 
  Orbign 
  y 
  (of 
  the 
  An- 
  

   tilles, 
  Antillean; 
  occurs 
  in 
  the 
  V/est 
  

   Indies 
  and 
  South 
  Florida.) 
  

  

  1 
  ) 
  Genus 
  Lithopha 
  g 
  a 
  R 
  o- 
  

  

  i, 
  (GJ^'li'thosJ 
  Lith 
  o 
  phaga 
  nigra 
  Orbigny 
  (black; 
  it 
  is 
  

   a 
  stone 
  -i- 
  phago, 
  to 
  1 
  dark 
  brov/n 
  or 
  almost 
  black.) 
  

  

  ding 
  1798. 
  (Gr. 
  

  

  eat; 
  stone 
  eaters; 
  

   perforating 
  stones. 
  

   Common 
  name: 
  Date 
  

  

  Lith 
  ophaga 
  bi 
  sulcata 
  Orb 
  i 
  gny 
  (Lat, 
  bis, 
  

   twice 
  -I- 
  sulcatus, 
  furrowed; 
  two-furrow- 
  

   ed. 
  Posterior 
  end 
  has 
  two 
  small 
  radia- 
  

  

  