﻿b 
  ) 
  Genus 
  Cumingia 
  S 
  o- 
  

   werby 
  1855 
  . 
  (Named 
  

   for 
  Hugh 
  Cuming, 
  a 
  

   celebrated 
  English 
  

   collector, 
  1791- 
  

   1865. 
  Fem. 
  ) 
  

  

  c) 
  Genus 
  Ab 
  ra 
  Lamarck 
  

   1818. 
  (Gr. 
  abros, 
  

   fern, 
  abra, 
  grace- 
  

   ful, 
  pretty, 
  Pern.) 
  

  

  174 
  

   pie; 
  umbones 
  are 
  purple; 
  surface 
  has 
  

   some 
  purple; 
  interior 
  often 
  is 
  purple.) 
  

   S 
  eme 
  l 
  e 
  radiata 
  Say 
  (rayed; 
  has 
  some 
  ra- 
  

   dial 
  rays 
  of 
  pink.) 
  

  

  Cumingia 
  c 
  oarcta 
  t 
  a 
  Sowerby 
  (contracted, 
  

   comipressed; 
  upper 
  edge 
  declining; 
  in 
  

   the 
  left 
  valve 
  there 
  is 
  a 
  compressed 
  

   cardinal. 
  ) 
  

   Cumingia 
  tellinoides 
  Co 
  nrad 
  (resembling 
  

   i 
  a 
  Tellina, 
  "Its 
  warped, 
  slightly 
  folded] 
  

   I 
  end 
  gives 
  it 
  the 
  aspect 
  of 
  a 
  Tellina", 
  ■ 
  

   I 
  v/rite 
  Gould 
  & 
  Binney.) 
  i 
  

  

  i 
  Cumingia 
  vanhyningi 
  Rehd 
  er 
  (Van 
  Hyning's°^ 
  

   ; 
  donated 
  by 
  Dr. 
  T, 
  Van 
  Hyning, 
  of 
  the 
  j 
  

  

  ' 
  Florida 
  State 
  Museum.) 
  j 
  

  

  I 
  

  

  ! 
  

  

  I 
  Abra 
  aequalis 
  Say 
  (equal; 
  somewhat 
  qua- 
  j 
  

   I 
  drate, 
  even 
  and 
  smooth.) 
  j 
  

  

  ' 
  Abra 
  lioica 
  Sail 
  (Gr. 
  leios, 
  smooth; 
  shel]^ 
  

   ! 
  smooth 
  and 
  shining.) 
  

   ! 
  Abra 
  longicallis 
  americana 
  Verrill 
  & 
  Busl;, 
  

  

  "(from 
  longus, 
  long 
  -<- 
  call-, 
  beautiful, 
  

   long 
  and 
  beautiful; 
  American.) 
  

  

  arrow; 
  a 
  kind 
  

  

  3. 
  Family 
  Donacida 
  e. 
  (Gr. 
  and 
  Lat 
  . 
  donax, 
  a 
  reed, 
  dart, 
  „ 
  

  

  of 
  shell 
  fish 
  already 
  mentioned 
  by 
  Xenocrates 
  and 
  Pliny. 
  Some 
  say 
  

   this 
  shell 
  derives 
  its 
  name 
  from 
  its 
  shape; 
  it 
  resembles 
  the 
  bar- 
  

   bed 
  head 
  of 
  a 
  dart 
  or 
  javelin. 
  Common 
  names 
  V/edge 
  Shells.) 
  

  

  ! 
  Don 
  a 
  x 
  denticulatus 
  Linn 
  e 
  (toothed; 
  inner 
  

   margin 
  is 
  toothed. 
  ) 
  

  

  Donax 
  fossor 
  Say 
  (digging.) 
  

  

  Donax 
  fossor 
  p 
  ro 
  tractus 
  Conrad 
  (lengthen- 
  

   ed, 
  prolongedTy 
  

  

  Donax 
  roemeri 
  Philippi 
  (Roemer's; 
  named 
  

   for 
  E. 
  Roemer, 
  a 
  German 
  conchologist 
  v/hc 
  

   died 
  in 
  1874.) 
  

  

  Donax 
  striatus 
  Linne 
  (striated; 
  it 
  has 
  

   many 
  radial 
  threads.) 
  

  

  Donax 
  tumi 
  d 
  us 
  Philippi 
  (inflated; 
  beaks 
  

   are 
  swollen 
  and 
  the 
  shell 
  is 
  very 
  stout 
  

   and 
  more 
  inflated 
  than 
  the 
  others.) 
  

  

  D 
  onax 
  t 
  exasian 
  us 
  Philippi 
  (from 
  Texas; 
  

   ranges 
  from 
  Texas 
  to 
  Vera 
  Cruz, 
  Mexico.) 
  

  

  Donax 
  variabilis 
  Say 
  (variable; 
  very 
  many 
  

   color 
  combinations.) 
  

  

  a) 
  Genus 
  Do 
  nax 
  Linne 
  

   1758. 
  r~Masc 
  . 
  ) 
  

  

  b 
  ) 
  Genus 
  Iphigeni 
  a 
  

   Sch 
  umacher 
  181 
  7 
  . 
  

   {"From 
  Iphigenia, 
  the 
  

   daughter 
  of 
  Agamem- 
  

   non. 
  Fern.) 
  

  

  Iphigenia 
  bras 
  ili 
  ensis 
  Lamarck 
  ( 
  Brazi 
  li- 
  

   an; 
  found 
  from 
  Florida 
  to 
  Brazil, 
  Called 
  

   brasiliana 
  in 
  Johnson's 
  List.) 
  

  

  4. 
  

  

  Family 
  Sanguinolariidae 
  . 
  (Lat. 
  sanguis. 
  

   They 
  are 
  pink 
  or 
  red-colored. 
  ) 
  

  

  blood; 
  blood-colored 
  shells 
  

  

  Sanguinolaria 
  c 
  ruenta 
  Sol 
  and 
  er 
  (blood- 
  

   stained.) 
  Also 
  called 
  S. 
  

  

  s 
  an 
  guinolenta 
  

  

  