﻿266 
  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  cuneate 
  — 
  wedge-shaped 
  

  

  cuneiform 
  — 
  wedge-shaped 
  

  

  cyathophylloid 
  — 
  in 
  form 
  like 
  Cyathophyllum; 
  one 
  of 
  the 
  Tetracoralla 
  

  

  cyst 
  — 
  a 
  closed 
  cavity 
  

  

  cystoid 
  — 
  most 
  primitive 
  class 
  of 
  Pelmatozoa 
  or 
  stemmed 
  echinoderms 
  

  

  delthyrium 
  — 
  triangular 
  fissure 
  under 
  the 
  beak 
  of 
  the 
  pedicle 
  valve 
  of 
  the 
  

  

  brachiopoda 
  

   deltidium 
  — 
  single 
  covering 
  plate 
  of 
  the 
  delthyrium 
  (also 
  called 
  pedicle 
  plate) 
  

   deltidial 
  plates 
  — 
  two 
  plates 
  which 
  close 
  the 
  delthyrium 
  in 
  the 
  higher 
  

  

  brachiopoda 
  (Telotremata) 
  

   dendroid 
  — 
  branching 
  after 
  the 
  manner 
  of 
  a 
  tree 
  

   dental 
  plates 
  — 
  internal 
  plates 
  below 
  the 
  teeth 
  in 
  pedicle 
  valve 
  of 
  the 
  

  

  brachiopoda 
  

   denticles 
  — 
  small 
  teeth, 
  or 
  tooth-like 
  ridges 
  

   denticulate 
  — 
  toothed 
  

  

  denticulation 
  — 
  set 
  of 
  denticles 
  or 
  small 
  teeth 
  

   depressed 
  — 
  on 
  a 
  level 
  with, 
  or 
  below 
  the 
  general 
  surface 
  

   dextral 
  (right 
  handed) 
  — 
  the 
  normal 
  method 
  of 
  coiling 
  in 
  the 
  gastropoda 
  

   diaphragm 
  — 
  transverse 
  partitioning 
  plate 
  

   dicyclic 
  — 
  with 
  two 
  cycles 
  of 
  basals; 
  applied 
  to 
  crinoids 
  

   diductor 
  muscles 
  — 
  opening 
  muscles 
  of 
  the 
  brachiopoda 
  

   discinoid 
  — 
  resembling 
  Discina 
  

   discoid 
  — 
  disk-like 
  

   dissepiments 
  — 
  partitions; 
  the 
  intrathecal 
  connecting 
  plates 
  between 
  the 
  

  

  septa 
  of 
  the 
  corals; 
  the 
  connecting 
  bars 
  between 
  the 
  branches 
  of 
  a 
  

  

  fenestelloid 
  bryozoum 
  

   distal 
  — 
  situated 
  away 
  from 
  the 
  center 
  of 
  the 
  body 
  

   distichals 
  — 
  second 
  series 
  of 
  arm 
  plates 
  or 
  brachials 
  of 
  crinoids, 
  situated 
  

  

  above 
  the 
  axillary 
  costals 
  

   divaricators 
  — 
  opening 
  muscles 
  of 
  brachiopoda; 
  also 
  called 
  diductors 
  

   dorsal 
  — 
  pertaining 
  to 
  the 
  back 
  

   doublure 
  — 
  infolded 
  margin 
  of 
  a 
  trilobite 
  

  

  ear 
  — 
  anterior 
  cardinal 
  expansion 
  of 
  the 
  pelecypod 
  shell, 
  usually 
  smaller 
  and 
  

  

  more 
  distinctly 
  defined 
  than 
  the 
  posterior 
  expansion 
  or 
  wing 
  

   echinate 
  — 
  spinous 
  

  

  endoderm 
  — 
  inner 
  cellular 
  body 
  layer 
  

   emarginate 
  — 
  with 
  a 
  notched 
  margin 
  

   endoderm 
  — 
  inner 
  cellular 
  body 
  layer 
  

  

  endothecal 
  — 
  within 
  the 
  theca; 
  intrathecal; 
  used 
  for 
  corals 
  

   epicontinental 
  — 
  encroaching 
  on 
  the 
  continent 
  

   epidermal 
  — 
  pertaining 
  to 
  the 
  skin 
  

  

  epitheca 
  — 
  outer 
  calcareous 
  covering 
  of 
  a 
  corallum 
  or 
  bryozo>m 
  

   equilateral 
  — 
  with 
  similar 
  sides 
  , 
  

  

  equivalve 
  — 
  with 
  similar 
  valves 
  

   escharoides 
  — 
  like 
  Eschara 
  (a 
  bryozoan) 
  . 
  ? 
  

  

  