﻿Report 
  of 
  the 
  State 
  Geologist. 
  333 
  

  

  Cephalopods: 
  Rare. 
  Goniatites 
  uniangularis 
  the 
  most 
  

   common. 
  Other 
  species, 
  Orthoceras 
  nuntium, 
  0. 
  emaceratum 
  > 
  

   Nautilus 
  bucmum, 
  JV. 
  magister, 
  Gomphoceras 
  cf. 
  Fischeri. 
  

  

  Gastropods 
  : 
  Diaphorostoma 
  lineatum, 
  Pleurotomaria 
  

   Itys, 
  P. 
  cap'dlaria, 
  P. 
  luclna, 
  Loxonema 
  Hamiltonim, 
  abun- 
  

   dant; 
  Platyceras 
  Thetis, 
  P. 
  symmetricum 
  common; 
  P. 
  echi- 
  

   natum, 
  P. 
  attenuatum, 
  P. 
  buccidentum, 
  Pleurotomaria 
  cf. 
  

   Jilitexta 
  occasionally. 
  

  

  Pteropods: 
  Hyolithes 
  aclis 
  common; 
  Styliolina 
  fissurella 
  

   occasionally. 
  

  

  Lamellib 
  Raichs 
  very 
  abundant: 
  The 
  prevailing 
  species 
  

   are 
  Lyriopecten 
  orbiculatus, 
  Plethomytilus 
  oviformis, 
  Actinop- 
  

   teria 
  decicssata, 
  Pterinopecten 
  undosus 
  and 
  Cypricardinia 
  

   indenta. 
  Cimitaria 
  corrugata, 
  Modiomorpha 
  mytiloides, 
  

   M. 
  concentrica, 
  Aviculopecten 
  princeps 
  are 
  common, 
  and 
  

   the 
  following 
  species 
  are 
  more 
  rarely 
  observed 
  : 
  Pterinea 
  

   flabella, 
  Cypricardella 
  bellistriata, 
  Macrodon 
  Hamiltonim, 
  

   Tellinopsis 
  subemarginata, 
  Nucula 
  lirata, 
  Palaeoneilo 
  fecun- 
  

   da, 
  P. 
  constricta, 
  Nucula 
  bellistriata, 
  Nuculites 
  subcuneatus, 
  

   sp. 
  nov. 
  Grammy 
  sia 
  aloeata, 
  Phthonia 
  cylindrica, 
  Modiella 
  

   pygmaia, 
  Goniophora 
  angidata, 
  Modiomorpha 
  macilenta, 
  

   Panenha 
  cf. 
  wguilatera, 
  Pterinopecten 
  vertummus. 
  

  

  Brachiopods 
  abundant: 
  The 
  prevailing 
  species 
  are 
  Stro- 
  

   pheodonta 
  concava, 
  Spirifer 
  mucronatus, 
  S. 
  audactdus, 
  Cho- 
  

   netes 
  scitula 
  and 
  Athyris 
  spiriferoides, 
  and 
  Liorhynchus 
  

   multicostatus 
  in 
  a 
  thin 
  layer 
  at 
  462 
  feet. 
  The 
  following 
  are 
  

   common: 
  Stropheodonta 
  inmquistriata, 
  Orthis 
  Vanuxemi, 
  

   Chonetes 
  deflecta, 
  C. 
  coronata, 
  Stropheodonta 
  nacrea, 
  Spirifer 
  

   fimbriatus, 
  Meristella 
  Haslcinsi, 
  Trematospira 
  hirsuta, 
  Tropi- 
  

   doleptus 
  carinatus. 
  Those 
  of 
  less 
  frequent 
  occurrence 
  are 
  

   Orbiculoidea 
  humilis, 
  Crania 
  Hamiltonim, 
  Lingula 
  Leama, 
  

   Orthothetes 
  arctostriata, 
  Stropheodonta 
  perplana, 
  Productella 
  

   spinulicosta, 
  Orthis 
  Penelope, 
  Ambocoelia 
  umbonata, 
  A. 
  pra> 
  

   umbona, 
  Rhynchospira 
  lepida, 
  Pentamerella 
  Pavilionensis, 
  

   Terebratula 
  Ontario. 
  

  

  Brfozoa: 
  Stictopora 
  incisurata 
  abundant 
  ; 
  Reptaria 
  sto- 
  

   lonifera, 
  Lichenalia 
  stellata, 
  Tamiopora 
  exigua, 
  Reteporina 
  

   perundulata 
  common; 
  Hederella 
  cirrhosa 
  occasionally. 
  

  

  Echinoderms 
  very 
  rare: 
  Nucleocrinus 
  Jjitcina 
  only. 
  

  

  Alcyonaria. 
  Ceratostigma 
  papillata, 
  sp. 
  nov. 
  

  

  