﻿g 
  ) 
  Genus 
  Macoma 
  Leach 
  

   1819 
  . 
  "Tone 
  of 
  these 
  

   names 
  invented 
  by 
  

   Leach 
  for 
  their 
  eu- 
  

   phony. 
  Coined 
  maybe 
  

   from 
  the 
  Greek 
  word 
  

   macos, 
  length, 
  or, 
  

   as 
  an 
  article 
  in 
  

   Journal 
  of 
  Concho- 
  

   logy, 
  1900, 
  vol. 
  9, 
  

   no. 
  9 
  informs 
  us, 
  

   from 
  the 
  Hebrew 
  

   word 
  makora, 
  a 
  place. 
  

   Fern, 
  ) 
  

  

  173 
  

   contracted; 
  the 
  posterior 
  end 
  has 
  a 
  folc 
  

   which 
  gives 
  the 
  shell 
  a 
  contracted 
  ap- 
  

   pearance. 
  ) 
  

  

  M 
  acom 
  a 
  inflata 
  (Stimpson) 
  Dawson 
  ( 
  inf 
  la- 
  

   tedTT 
  

  

  M 
  acoma 
  k 
  rau 
  sei 
  Hall 
  (Krause's; 
  named 
  for 
  

   A. 
  Krause.y 
  

  

  M 
  acoma 
  leptonoidea 
  Pall 
  (resembling 
  a 
  

   Lepton.l 
  

  

  Macoma 
  mitchelli 
  Dall 
  (Mitchell's.) 
  

  

  Macoma 
  orientalis 
  hendersoni 
  Rehder 
  ( 
  o- 
  

   riental; 
  typical 
  Macoma 
  orientalis 
  is 
  

   from 
  Samana 
  Bay, 
  Dominican 
  Republic; 
  

   hendersoni, 
  named 
  for 
  John 
  B. 
  Henderson, 
  

   Jr. 
  who 
  dredged 
  it 
  near 
  Miami, 
  Florida.) 
  

  

  Macoma 
  phenax 
  Dall 
  (Gr. 
  a 
  cheat, 
  an 
  im- 
  

   postor; 
  it 
  bears 
  a 
  d 
  eceptive 
  likeness 
  to 
  

   a 
  Tellina. 
  ) 
  

  

  Macoma 
  tenta 
  Say 
  (Lat. 
  tentus, 
  stretched 
  

   out, 
  extended, 
  narrowed; 
  shell 
  is 
  oval, 
  

   rather 
  elongated.) 
  

  

  Macoma 
  t 
  e 
  nta 
  souleyetiana 
  Recluz 
  ( 
  Sou- 
  

   leyet's; 
  is 
  the 
  same 
  as 
  the 
  preceding 
  

   one 
  . 
  ) 
  

  

  M 
  acoma 
  orientalis 
  Dall 
  (oriental, 
  east- 
  

   ern; 
  from 
  Samana 
  Bay, 
  Dominican 
  Republic 
  

  

  Macoma 
  tageliformis 
  Dall 
  ( 
  shaped 
  like 
  a 
  

   Tagelus. 
  j 
  

  

  M 
  acoma 
  brevifrons 
  Say 
  (Lat. 
  short 
  front; 
  

   posterior 
  end 
  short 
  and 
  truncated.) 
  

  

  Macoma 
  extenuata 
  Dal 
  l 
  (thin, 
  slender.) 
  

  

  Macoma 
  limula 
  Dall 
  ( 
  Lat. 
  little 
  file; 
  

   shell 
  is 
  finely 
  granular.) 
  

  

  h 
  ) 
  Genus 
  Apolymetis 
  Sal- 
  - 
  

   is 
  bury 
  1929 
  . 
  (Salis- 
  

   bury 
  first 
  called 
  it 
  

   Polymetis. 
  ^Then 
  it 
  

   was 
  pointed 
  out 
  to 
  

   ' 
  him 
  that 
  this 
  name 
  

   had 
  already 
  been 
  u- 
  

   sed 
  by 
  \7alsingham 
  in 
  

   1903 
  for 
  an 
  insect, 
  

   he 
  proposed 
  Apolyme- 
  

   tis, 
  that 
  is: 
  "a", 
  

   privative, 
  not 
  -■- 
  

   polymetis; 
  not 
  a 
  Po- 
  

   lymetis, 
  Fern.) 
  

  

  Apolymetis 
  intastriata 
  Say 
  (Lat, 
  intra 
  oi 
  

   intus, 
  inside 
  — 
  striatus, 
  striate; 
  

   marked 
  with 
  striae 
  inside.) 
  

  

  Family 
  Semelidae 
  . 
  (Gr. 
  Semele, 
  the 
  mother 
  of 
  Bacchus.) 
  

  

  a) 
  Genus 
  Semele 
  Schu 
  - 
  

   ma 
  cher 
  1817 
  . 
  (Fern. 
  ) 
  

  

  Semele 
  bellastriata 
  Conrad 
  (beautifully 
  

   striated. 
  Surface 
  covered 
  with 
  radia- 
  

   i 
  ting 
  ribs 
  on 
  strong 
  concentric 
  ridges. 
  

   j 
  Shell 
  yellow 
  or 
  purple, 
  often 
  rayed.) 
  

   I 
  Semele 
  n 
  uculoides 
  Conr 
  ad 
  ( 
  shaped 
  like 
  a 
  

   j 
  Mucula, 
  a 
  little 
  nut,T~ 
  

   i 
  Semele 
  proficua 
  Pultney 
  ( 
  u 
  s 
  e 
  f 
  u 
  1 
  . 
  ) 
  

   I 
  Semele 
  purpurascens 
  Gmelin 
  ( 
  turning 
  pur- 
  

  

  