﻿206 
  Beecher 
  — 
  Natural 
  Classification 
  of 
  the 
  Trilohites. 
  

  

  Page. 
  

  

  Dindymene 
  Corda, 
  

  

  199 
  

  

  Lonchodomus 
  Angelin, 
  

  

  186 
  

  

  Dionide 
  Barrande, 
  

  

  186 
  

  

  Megalaspides 
  Brogger, 
  

  

  193 
  

  

  Di 
  pleura 
  Green, 
  

  

  200 
  

  

  Megalaspis 
  Angelin, 
  

  

  193 
  

  

  Dolichometopus 
  Angelin, 
  

  

  193 
  

  

  Menocephalus 
  Owen, 
  

  

  190 
  

  

  Dorypyge 
  Dames, 
  

  

  190 
  

  

  Mesonacis 
  Walcott, 
  

  

  190 
  

  

  Dysplanus 
  Burmeister, 
  

  

  193 
  

  

  Metopias 
  Eichwald, 
  

  

  196 
  

  

  Eccoptocheile 
  Cor 
  da, 
  

  

  201 
  

  

  Micmacca 
  Matthew, 
  

  

  190 
  

  

  Ectillsenus 
  Salter, 
  

  

  193 
  

  

  Microdiscus 
  Emmons, 
  

  

  184 
  

  

  Ellipsocephalus 
  Zenker, 
  

  

  190 
  

  

  Monorachos 
  Schmidt, 
  

  

  202 
  

  

  Elliptocephala 
  Emmons, 
  

  

  190 
  Neseuretus 
  Hicks, 
  

  

  190 
  

  

  Encrinurus 
  Emmrich, 
  

  

  ]99 
  

  

  Nieszkowskia 
  Schmidt, 
  

  

  201 
  

  

  Endymionia 
  Billings, 
  

  

  186 
  

  

  N 
  ileus 
  Dalman, 
  

  

  193 
  

  

  Erinnys 
  Salter, 
  

  

  188 
  

  

  Niobe 
  Angelin, 
  

  

  193 
  

  

  Eryx 
  Angelin, 
  

  

  188 
  

  

  OctillaBnus 
  Salter, 
  

  

  193 
  

  

  Euloma 
  Angelin, 
  

  

  190 
  

  

  Odontocephalus 
  Conrad, 
  

  

  202 
  

  

  Eurycare 
  Angelin, 
  

  

  190 
  

  

  Odontopleura 
  Emmrich, 
  

  

  197 
  

  

  Gerasaphes 
  Clarke, 
  

  

  193 
  

  

  Og}rgia 
  Brongniart, 
  

  

  193 
  

  

  Griffithides 
  Portlock, 
  

  

  195 
  

  

  Ogygiopsis 
  Walcott, 
  

  

  193 
  

  

  Goldius 
  de 
  Koninck, 
  

  

  196 
  

  

  Olenelloides 
  Beach, 
  

  

  190 
  

  

  Harpes 
  Goldfuss, 
  

  

  185 
  

  

  Olenellus 
  Hall, 
  

  

  190 
  

  

  Harpides 
  Bey 
  rich, 
  

  

  185 
  

  

  Olenoides 
  Meek, 
  

  

  190 
  

  

  Harpina 
  Novak, 
  

  

  185 
  

  

  Olenus 
  Dalman, 
  

  

  189 
  

  

  Harttia 
  Walcott, 
  

  

  188 
  

  

  Oncholichas 
  Schmidt, 
  

  

  196 
  

  

  Hausmannia 
  Ball 
  and 
  

  

  

  Onycopyge 
  Woodward, 
  

  

  201 
  

  

  Clarke, 
  

  

  202 
  

  

  Oryctocephalus 
  Walcott, 
  

  

  190 
  

  

  Hemisphgerocoryphe 
  Heed, 
  

  

  201 
  

  

  Palaaopyge 
  Salter, 
  

  

  190 
  

  

  Holasaphus 
  Matthew, 
  

  

  193 
  

  

  Panderia 
  Volborth, 
  

  

  193 
  

  

  Holmia 
  Matthew, 
  

  

  190 
  

  

  Parabolina 
  Salter, 
  

  

  190 
  

  

  Holocephalina 
  Salter, 
  

  

  193 
  

  

  Parabolinella 
  Brogger, 
  

  

  190 
  

  

  Holometopus 
  Angelin, 
  

  

  182 
  

  

  Paradoxides 
  Brongniart, 
  

  

  190 
  

  

  Horaalonotus 
  Koenig, 
  

  

  200 
  

  

  Pelt 
  ura 
  Angelin, 
  

  

  190 
  

  

  Homalopecten 
  Salter, 
  

  

  193 
  

  

  Phacops 
  Emmrich, 
  

  

  202 
  

  

  Hornalops 
  Bemele 
  and 
  

  

  

  Phaetonella 
  Novak, 
  

  

  195 
  

  

  Barnes, 
  

  

  202 
  

  

  Pharostoma 
  Corda, 
  

  

  200 
  

  

  Horaolichas 
  Schmidt, 
  

  

  196 
  

  

  Phillipsia 
  Portlock, 
  

  

  195 
  

  

  Hoplolicha8 
  Dames, 
  

  

  196 
  

  

  Phillipsinella 
  Novak, 
  

  

  193 
  

  

  Hydrocephalus 
  Barrande, 
  

  

  ]90 
  

  

  Placoparia 
  Corda, 
  

  

  199 
  

  

  Hydrolenus 
  Salter, 
  

  

  193 
  

  

  Plsesiacomia 
  Corda, 
  

  

  200 
  

  

  Illaenopsis 
  Salter, 
  

  

  193 
  

  

  Platymetopus 
  Angelin, 
  

  

  196 
  

  

  Illaenurus 
  Hall, 
  

  

  193 
  

  

  Platypeltis 
  Callaway, 
  

  

  193 
  

  

  Illgenus 
  Dalman, 
  

  

  193 
  

  

  Plutonides 
  Hicks, 
  

  

  190 
  

  

  Isocolus 
  Angelin, 
  

  

  182 
  

  

  Priouopeltis 
  Corda, 
  

  

  195 
  

  

  Isotelus 
  De 
  Kay, 
  

  

  193 
  

  

  Proceratopyge 
  Wallerhis, 
  

  

  190 
  

  

  Koenigia 
  Salter, 
  

  

  200 
  

  

  Proetus 
  Steininger, 
  

  

  194 
  

  

  Leiolichas 
  Schmidt, 
  

  

  196 
  

  

  Prosopiscus 
  Salter, 
  

  

  199 
  

  

  Leptoplastus 
  Angelin, 
  

  

  190 
  

  

  Protagraulus 
  Matthew, 
  

  

  190 
  

  

  Lichas 
  Dalman, 
  

  

  196 
  

  

  Protolenus 
  Matthew, 
  

  

  190 
  

  

  Liostracus 
  Angelin, 
  

  

  190 
  

  

  Protopeltura 
  Brogger, 
  

  

  190 
  

  

  Loganellus 
  Devine, 
  

  

  190 
  

  

  Protypus 
  Walcott, 
  

  

  190 
  

  

  