﻿143 
  

   j 
  lTuculana 
  pernula 
  Muller 
  (diminutive 
  of 
  

   I 
  perna, 
  a 
  thigh, 
  ham, 
  sea-mussel.) 
  

   j 
  ITuculana 
  pusio 
  Philippi 
  (Lat. 
  pusio, 
  a 
  

   I 
  little 
  boy; 
  young; 
  probably 
  an 
  immature 
  

   ; 
  specimen.) 
  

   J 
  Fuculana 
  quadrangular 
  is 
  Pall 
  ( 
  quadrangu- 
  

  

  lar. 
  ) 
  

   Nuculana 
  solidifacta 
  E. 
  A. 
  Smith 
  

  

  j 
  made 
  firm, 
  solid; 
  

   iFu 
  cu 
  1 
  an 
  a 
  soli 
  du 
  1 
  a 
  

   solid.] 
  

  

  solidif 
  iedTT 
  

   E. 
  A. 
  Smith 
  (a 
  

  

  a) 
  Genus 
  I\^ucula 
  na 
  Link 
  

   1807. 
  (rem.) 
  

  

  (Lat. 
  

   little 
  

   ( 
  some- 
  

  

  b) 
  

  

  i 
  firm, 
  

  

  j 
  Nuculana 
  subaequilatera 
  Jeffreys 
  

  

  j 
  what 
  equilateral.) 
  ! 
  

  

  pTuculana 
  tenui 
  sulcata 
  Couthouy 
  (Lat. 
  te- 
  i 
  

  

  i 
  nuis, 
  thin, 
  slender 
  h- 
  sulcatus, 
  furrow-i 
  

  

  i 
  ed; 
  with 
  light 
  furrows. 
  Surface 
  with 
  

  

  ! 
  numerous 
  concentric 
  ridges.) 
  j 
  

  

  J 
  Nuculana 
  ver 
  r 
  illian 
  a_ 
  Pall 
  (Verrill's; 
  na-j 
  

  

  ! 
  med 
  for 
  Professor 
  Addison 
  Emery 
  Verrill 
  i 
  

  

  j 
  of 
  Yale 
  University, 
  an 
  eminent 
  malacolo- 
  

  

  • 
  gist, 
  1839-1927.) 
  

  

  Fuculana 
  vit 
  rea 
  cerata 
  Pall 
  ( 
  Lat 
  . 
  vi 
  t 
  r 
  eu 
  s 
  , 
  

  

  [^glassy; 
  ceratus, 
  waxed; 
  whitish 
  lustre.) 
  

  

  i 
  Lede 
  l 
  la 
  aspecta 
  Pall 
  (Lat. 
  looked 
  at; 
  

   . 
  shell 
  has 
  no 
  defined 
  escutcheon.) 
  

   I 
  Ledella 
  bi 
  penn 
  is 
  Pall 
  (Lat. 
  bipennis, 
  ei- 
  

   1 
  ther 
  having 
  two 
  edges 
  or 
  two 
  wings.) 
  

   J 
  Ledella 
  messa 
  n 
  ensis 
  Seguenz 
  a 
  (from 
  Messi- 
  

   Ge 
  nus 
  L 
  e 
  dell 
  a 
  Verril 
  4 
  na, 
  Sicily. 
  ) 
  

  

  & 
  Bush 
  189 
  7 
  . 
  ~Xp 
  i 
  m 
  i 
  nu 
  -i 
  L 
  edella 
  messanensis 
  s 
  ublevis 
  Verrill 
  and 
  

   tive 
  of 
  Leda, 
  mother, 
  Bush 
  (sublevis, 
  somewhat 
  smooth; 
  con- 
  

   of 
  Castor 
  and 
  Pollux.i 
  centric 
  sculpture 
  wholly 
  or 
  partially 
  

   Fern. 
  ) 
  t 
  obsolete 
  . 
  ) 
  

  

  JLe 
  del 
  la 
  orixa 
  Pa 
  ll 
  (derived 
  from 
  Gr, 
  o- 
  

   I 
  rinx, 
  a 
  furrow, 
  wrinkle; 
  shell 
  has 
  a 
  

   1 
  slight 
  flexure 
  in 
  front 
  of 
  the 
  rostrate 
  

   end.) 
  

  

  j 
  Yoldi 
  a 
  a 
  rctica 
  Gr 
  ay 
  (Arctic; 
  

   landTT 
  

  

  from 
  Green- 
  

  

  Yold 
  i 
  a 
  ca 
  s 
  coensis 
  Mighels 
  & 
  Adams 
  (from 
  

  

  c) 
  

  

  G 
  enus 
  Yo 
  I 
  dia 
  Mo 
  Her 
  

   1842. 
  iKamed 
  for 
  

   Alfonso 
  d'Aguirra 
  y 
  

   Gadea, 
  Count 
  Yoldi 
  

   of 
  Penmark. 
  Fem. 
  ) 
  

  

  Casco 
  Bay, 
  Maine 
  

   Y 
  old 
  ia 
  g 
  lacialis 
  Gra 
  y 
  ( 
  glac 
  ia 
  1 
  ; 
  

  

  Greenland 
  and 
  Hudson 
  Strait.) 
  

   Yoldia 
  limatula 
  Say 
  (Lat. 
  filed, 
  

   I 
  Shell 
  very 
  smooth 
  and 
  shining.) 
  

   jYo 
  ldi 
  a 
  liorhina 
  Pal 
  l 
  (Gr. 
  leios, 
  

   I 
  -<- 
  rhine, 
  file; 
  smooth 
  file.) 
  

  

  found 
  in 
  

   polishe4 
  

   smooth 
  

  

  Mya; 
  

  

  [Y 
  oldia 
  m 
  y 
  alis 
  C 
  outh 
  ouy 
  (resembling 
  a 
  

  

  ; 
  elongate 
  oval.l 
  

  

  lY 
  oldia 
  sapotilla 
  Goul 
  d 
  (Spanish 
  sapotill4» 
  

  

  j 
  the 
  sapodilla 
  plum; 
  so 
  called 
  because 
  

  

  I 
  "in 
  its 
  shape 
  and 
  the 
  perfect 
  polish 
  pf 
  

  

  I 
  its 
  surface, 
  this 
  shell 
  resembles 
  the 
  

  

  i 
  seed 
  of 
  the 
  sapotilla, 
  a 
  tropical 
  fruit'j 
  

  

  ! 
  writes 
  Gould. 
  ) 
  

  

  jYoldia 
  sol 
  en 
  oides 
  P 
  all 
  j 
  JftfeaembXing 
  a 
  

  

  * 
  Solen, 
  ) 
  

  

  