﻿a) 
  Genus 
  Lamellaria 
  

   Montagu 
  ISls 
  TTFem. 
  ) 
  

  

  

  e 
  ) 
  Ge 
  nus 
  Qnchidiopsis 
  

   " 
  "Beck) 
  Bergh"l855 
  . 
  

  

  Shaped 
  like 
  an 
  On- 
  

   chidium; 
  derived 
  

   from 
  encodes, 
  swell- 
  

   ing 
  out, 
  rounded. 
  

   Fern.) 
  

  

  f 
  ) 
  Genus 
  liiarsenina 
  Gray 
  

   1850. 
  (ProToably 
  a 
  

   diminutive 
  of 
  Marse, 
  

   a 
  daughter 
  of 
  Thes- 
  

   pius. 
  Fern, 
  ) 
  

  

  "b 
  ) 
  G 
  enus 
  Velutina 
  Fl 
  e- 
  

   ming 
  1 
  82l'» 
  T^eo 
  Lat. 
  

   meaning 
  ve 
  Ive 
  t 
  . 
  Shells 
  

   covered 
  with 
  a 
  vel- 
  

   vety 
  periostracum. 
  

   Pem. 
  ) 
  

  

  c) 
  Genus 
  Velute 
  11a 
  Gray 
  

   1847 
  . 
  (For 
  some, 
  only 
  

   a 
  subgenus 
  of 
  Velu- 
  

   tina. 
  Diminutive 
  of 
  

   Velutina, 
  Fern.) 
  

  

  d) 
  G 
  enus 
  Pilidium 
  Mid- 
  

   de 
  ndorff 
  1851 
  . 
  (Gr. 
  

   pilidion, 
  diminutive 
  

   of 
  piles, 
  a 
  felt- 
  

   hat, 
  a 
  hat. 
  Neuter.) 
  

  

  53 
  

   (the 
  

  

  lian 
  red; 
  

   let„) 
  

   Lamellaria 
  

  

  French 
  word 
  is 
  cochenille), 
  Casti- 
  j 
  

   the 
  raollusk 
  is 
  "brilliant 
  scar- 
  

  

  fernandiniae 
  Dall 
  

  

  (Dall 
  gene- 
  

   rally 
  writes 
  fernandinae, 
  not 
  here 
  i 
  

   though; 
  off 
  Fernandina, 
  Florida.) 
  j 
  

  

  LajTielj.aria_ 
  k 
  oto 
  Schwan 
  gel 
  (named 
  for 
  Al- 
  

   fred 
  S.'Koto 
  of 
  BeioTt, 
  Wisconsin.) 
  | 
  

  

  Lamellaria 
  leuco 
  sp 
  haera 
  Ec 
  hwenge 
  l 
  (white 
  i 
  

   sphere; 
  shell 
  naticoid 
  with 
  a 
  slight 
  I 
  

   milky 
  cloudiness.) 
  | 
  

  

  Lam 
  ellaria 
  pellucida 
  Verrill 
  (very 
  trans 
  -I 
  

   parent; 
  bright, 
  smooth. 
  ) 
  j 
  

  

  Lamellaria 
  pellucida 
  gouldi 
  V 
  e 
  rrill 
  (na- 
  | 
  

   med 
  for 
  Dr. 
  Augustus 
  A. 
  Gould, 
  a 
  distin-' 
  

   guishe 
  d 
  American 
  conchologist, 
  1805-1866) 
  

  

  Lamellaria 
  

  

  rangi 
  

  

  Bergh 
  (Rang's; 
  named 
  fori 
  

  

  Sander 
  Rang 
  

  

  i 
  

   Velutina 
  laevigata 
  Linne 
  ( 
  smooth; 
  surface 
  

  

  faintly 
  marked 
  with 
  the 
  lines 
  of 
  growth,, 
  

  

  interior 
  smooth.) 
  

   V 
  elutina 
  undata 
  Brown 
  (wavy; 
  covered 
  witlr, 
  

  

  a 
  striped, 
  calcareous 
  incrustation; 
  with 
  

  

  numerous 
  zones 
  of 
  brown.) 
  

  

  A/'elutella 
  cryptospira 
  Middendorff 
  (with 
  

   hidden 
  spire, 
  ) 
  

  

  Pilidium 
  commodum 
  Middendorf 
  f 
  (convenient 
  

   c 
  omf 
  r 
  t 
  able 
  , 
  ) 
  

  

  Qnchidiopsis 
  corys 
  Balch 
  ( 
  Gr 
  . 
  he 
  Ime 
  t 
  . 
  ) 
  

  

  Marsenina 
  ampla 
  Verr 
  i 
  ll 
  (ample, 
  large.) 
  

  

  Marsenina 
  glabra 
  Couthouy 
  (hairless, 
  

   smooth. 
  ) 
  

  

  Marsenin 
  a 
  globosa 
  Perry 
  (globular, 
  in- 
  

   flated. 
  T~ 
  

  

  Marsenina 
  prodita 
  Loven 
  (betrayed; 
  is 
  

   fissured 
  do\7n 
  the 
  back; 
  margin 
  of 
  outer 
  

  

  lip 
  slightly 
  inflexed 
  near 
  the 
  suture.) 
  

  

  2^ 
  F 
  amily 
  Fossarida 
  e. 
  (Derived 
  from 
  le 
  Fossar, 
  name 
  arbitrarily 
  given 
  | 
  

   "by 
  the 
  French 
  naturalist, 
  Michel 
  Adanson 
  (1727-1806), 
  in 
  1757.) 
  

  

  j 
  Fossarus 
  elegans 
  Verrill 
  & 
  Smith 
  ( 
  elegant 
  ; 
  

  

  