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  546*. 
  

  

  Mtian, 
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  86 
  1 
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  Cirri 
  

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  fossils 
  discovered 
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  lophorns 
  planulatns, 
  493 
  s 
  , 
  502*, 
  

   ."If,-. 
  516P, 
  525 
  s 
  , 
  526". 
  

   Cllmacograptidae, 
  49S". 
  

   Climacograptus, 
  542>, 
  547 
  s 
  . 
  

  

  bicornis, 
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  502 
  9 
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  sap, 
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  :.u-. 
  

  

  indatus, 
  520", 
  521 
  3 
  . 
  55P, 
  

  

  parvuc 
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  . 
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  scharenbergi, 
  541 
  9 
  , 
  547 
  s 
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  5S5 
  5 
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   typica 
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  s 
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  582«. 
  

   CUonychla, 
  52C. 
  

  

  198*. 
  

  

  - 
  aptos 
  gracilis 
  zone, 
  506 
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  Block 
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  beds, 
  198*. 
  

  

  falls 
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  ter 
  of 
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  i" 
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  trentoneni 
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  r.i 
  

  

  502 
  - 
  . 
  

   . 
  518*. 
  

   calicnlaris, 
  51 
  19*. 
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  cartas 
  -.20', 
  

  

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  8 
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  Cryptograptas 
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  , 
  524\ 
  

  

  51* 
  564 
  6 
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   Ctenobolbina 
  ciliata. 
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  1 
  , 
  521 
  9 
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   527*, 
  575 
  8 
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  explanation 
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   plal 
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  vow. 
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   planatioa 
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   n\ 
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  575*. 
  

   crassa, 
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  s 
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   duryi, 
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   fulcrata. 
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  suhrotunda. 
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   oodonta 
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  520 
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  521 
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   Cumings. 
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  . 
  cited, 
  584% 
  559*. 
  

   Cuneamya 
  Bp., 
  520*. 
  

   CyathophyUold 
  corals, 
  501 
  s 
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   Cyclonema 
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   Cycloepira 
  blsulcata, 
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  'ypbaspis, 
  

   ('yri.K-cr.-is 
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  4 
  8 
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   ('yrtolites 
  ornaius. 
  516 
  

  

  Dale, 
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  cited, 
  58 
  i84\ 
  

  

  !-.'. 
  Ml 
  ii'". 
  557*, 
  560*. 
  

  

  Dalmanella 
  testadinaria, 
  515', 
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  5 
  , 
  

   52 
  15 
  s 
  . 
  

  

  Dana, 
  J. 
  I>.. 
  cited, 
  582 
  . 
  500 
  -2*, 
  "53*. 
  

  

  Darton, 
  N. 
  H.. 
  cited, 
  I 
  . 
  490\ 
  

  

  54 
  1 
  1 
  

  

  Darwin, 
  Charles, 
  cited, 
  578'. 
  

  

  I 
  kawsonia, 
  5 
  10 
  . 
  

  

  campannlata, 
  ._• 
  \ 
  541 
  1 
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