﻿I 
  

  

  a) 
  

  

  b) 
  

  

  i 
  

  

  G 
  enus 
  Emarg 
  i 
  nu 
  la 
  La 
  - 
  

   marck 
  180 
  1 
  . 
  ~X'Lat 
  . 
  e 
  , 
  

   out, 
  without 
  -J- 
  mar- 
  

   go, 
  margin-, 
  edge, 
  

   margin; 
  deprived 
  of 
  

   margin. 
  There 
  is 
  a 
  

   deep 
  slit 
  in 
  the 
  

   margin, 
  Fern.) 
  

  

  13 
  

  

  Emar 
  g 
  inula 
  nordica 
  Perez 
  Tarfante 
  (north- 
  

   ern; 
  found 
  in 
  Rhode 
  IslandTl 
  

   Ema 
  r 
  ginula 
  phrixodes 
  Dall 
  (Gr. 
  resembling 
  

  

  a 
  ripple, 
  the 
  ruffling 
  of 
  a 
  smooth 
  sur- 
  

  

  A. 
  

  

  face, 
  also 
  

  

  concentric 
  

  

  sions. 
  ) 
  

   Eirarginula 
  p'x^i.la 
  

  

  very 
  smaJ-I 
  5 
  Mo't 
  : 
  

   Emarginula 
  aicv 
  Ja 
  

  

  locality 
  Sicily, 
  

  

  E 
  ._ 
  cancel] 
  ata 
  Philippi 
  ; 
  

  

  goose-flesh. 
  Radial 
  rihs 
  and 
  

   lines 
  form 
  knots 
  and 
  depres- 
  

  

  Adams 
  

   ~" 
  12 
  

  

  ( 
  dwarf 
  i 
  sh 
  ; 
  she 
  1 
  . 
  

   Dove 
  12 
  mm. 
  ) 
  

   Gra 
  y 
  (Sicilian; 
  type 
  

   Italy; 
  formerly 
  called 
  

   cross-harred, 
  

   concentric 
  threads 
  cross- 
  

  

  Hemitoma 
  Swainson 
  

   1840.(Gr. 
  hemi, 
  half 
  

   -f- 
  tone, 
  cut, 
  slit; 
  

   somewtet 
  deprived 
  of 
  

   margin. 
  Eem. 
  This 
  ge- 
  

   nus 
  used 
  to 
  he 
  called 
  

   Subenarginula 
  Blain 
  - 
  

   ville 
  1825 
  . 
  Lat. 
  sub, 
  

   under, 
  somewhat 
  -h 
  

   emarginula. 
  Een, 
  ) 
  

  

  trellis-like, 
  

  

  ing 
  the 
  ribs,)' 
  

  

  jj 
  marginula 
  tube 
  rculo 
  s 
  a 
  Libassi 
  ( 
  having 
  

   i 
  tubercles, 
  smell 
  xncblike 
  prominences; 
  

   ! 
  concentric 
  lines 
  intersect 
  ribs 
  forning 
  

   ! 
  nodules; 
  formerly 
  called 
  E. 
  com 
  pra£.sa 
  

   L 
  Jeffreys, 
  compressed.) 
  

  

  j 
  Hemitoma 
  emajginata 
  Blainville 
  ( 
  emargi 
  na 
  

   j 
  te, 
  having 
  a 
  notch 
  in 
  the 
  margin.) 
  

   H 
  emitoma 
  notata 
  Linne 
  (marked, 
  branded.) 
  

   Hemitoma 
  octoradiata 
  Gmelin 
  (eight 
  rays; 
  

   shell 
  has 
  eight 
  larger 
  and 
  eight 
  smaller 
  

   ribs. 
  ) 
  

   Hemitoma 
  rub 
  id 
  a 
  A.H.Verrill 
  (red, 
  deep- 
  

  

  Bri- 
  

  

  red. 
  This 
  species 
  is 
  

   tish 
  'Vest 
  Indies.) 
  

  

  from 
  Dominica, 
  

  

  c 
  ) 
  Genus 
  Rimula 
  Defran 
  - 
  

   ce 
  1827 
  . 
  (Lat. 
  a 
  

   snail 
  crack, 
  chink 
  

   or 
  fissure. 
  Een. 
  ) 
  

  

  Rimula 
  aequisculpta 
  Dall 
  ( 
  equally, 
  evenly 
  

   sculptured; 
  "forty 
  radial 
  equal 
  ribs 
  j 
  

   crossed 
  by 
  equal 
  close 
  concentric 
  threcrf-^ 
  

   not 
  forming 
  nodules." 
  (Dall) 
  ! 
  

  

  Rimula 
  dorriae 
  Perez 
  Ea 
  r 
  fante 
  (named 
  for 
  j 
  

   Dorothea 
  Slater. 
  ) 
  

  

  Rinula 
  frenulata 
  

   centric 
  threads 
  

   Rimula 
  pycnonema 
  

  

  Dall 
  (with 
  a 
  

   are 
  somev/hat 
  

   Pilsbry 
  (Gr. 
  

  

  bridle 
  ;con-i 
  

   f 
  lexuouc, 
  ) 
  ' 
  

  

  pycnos, 
  cj. 
  0- 
  

   I 
  se, 
  compact 
  h- 
  nema, 
  thread; 
  shell 
  very 
  

   i 
  small 
  sculptured 
  with 
  many 
  radiating 
  

   j 
  ribs 
  and 
  riblets 
  crossed 
  by 
  numerous 
  

   i 
  concentric 
  threads; 
  looks 
  like 
  a 
  spider- 
  

   '- 
  web 
  . 
  ) 
  

  

  j 
  Puncture 
  11a 
  agger 
  Watson 
  (Lat. 
  noun 
  mean- 
  

   ing 
  a 
  heap, 
  pile. 
  "So 
  called 
  from 
  the 
  

   little 
  ridge 
  that 
  runs 
  down 
  from 
  the 
  

   I 
  front 
  slope 
  of 
  the 
  shell." 
  (^,7atson) 
  

   iPuncturella 
  antillana 
  Perez 
  Earfante 
  (;^n- 
  

  

  tillean. 
  ) 
  

   I 
  Puncturella 
  

  

  asturiana 
  P. 
  Eischer 
  (Astu- 
  

  

  i 
  rian; 
  lectotype 
  from 
  off 
  Cape 
  Einisterre 
  

   i 
  Spain.) 
  

  

  j 
  Puncturella 
  billsae 
  Perez 
  Earfante 
  (naiaed 
  

   ! 
  for 
  Miss 
  Marion 
  A. 
  Bills. 
  ) 
  

   ' 
  Puncturella 
  erecta 
  Dall 
  (erect, 
  high; 
  

   conical, 
  the 
  height 
  about 
  80 
  % 
  that 
  of 
  

  

  