INDEX. 
221 
Planorbulina, G2. 
Platax, 202. 
Platemys, 209. 
Platyceras, 157- 
Platycrinus, 56. 
Platygnathus, 202. 
Platysomus, 202. 
Plectrodus, 202. 
Plesiosaurus, 209- 
Pleuracanthus, 202. 
Pleurodictyum, 60. 
Pleurodon, 99- 
Pleurodus, 202. 
Pleurorhynchus, 99. 
Pleurotoma, 157- 
Pleurotomaria, 157. 
Plicatula, 117. 
Pliosaurus, 210. 
Poaches, 18. 
Podocarya, 18. 
Poecilodus, 202. 
Poikilopleuron, 210. 
Pollicipes, 68. 
Polymeres, 60. 
Polymorphina, 62. 
Polypodites, 18. 
Polypothecia, 28. 
Polyptychodon, 210. 
Polystichites, 19. 
Polystomella, 62. 
Porcellia, 170. 
Porites, 43. 
Portunus, 76. 
Posidonomya, 11 7- 
Potamidum, 159. 
Poteriocrinus, 57. 
Potomomya, 99. 
Pristacanthus, 203. 
Pristis, 203. 
Productus, 125. 
Protopteris, 19. 
Psaliodus, 203. 
Psammobia, 99. 
Psammodus, 203. 
Pseudoliva, 159. 
Pterichthys, 203. 
Pterin ea, 118. 
Pterodactylus, 210. 
Pteropbyllurn, 19. 
Ptilodictya, 43. 
Ptycacanthus, 203. 
Ptychoceras, 186. 
Ptychodus, 203. 
Ptycholepis, 204. 
Pullastra, 100. 
Pupa, 159. 
Purpura, 160. 
Pustulopora, 43. 
Putorius, 214. 
Pycnodus, 204. 
Pygaster, 58. 
Pygopterus, 204. 
Pyramis, 160. 
Pyrina, 58. 
Pyrula, 160. 
Pyxidicula, 26. 
Quinqueloculina, 63. 
Raia, 204. 
Raphiosaurus, 210. 
Receptaculites, 60. 
Remopleurides, 76. 
Retepora, 43. 
Rhinoceros, 214. 
Rhizodus, 204. 
Rhodea, 19. 
Rhodocrinus, 58. 
Rhynchosaurus, 210. 
Rimuia, 160. 
Ringinella, 160. 
Ringuicula, 161. 
Rissoa, 161. 
Rosalina, 63. 
Rostellaria, l6l. 
Rotalia, 63. 
Rotalina, 63. 
Rotella, 162. 
Rysosteus, 210. 
Sage n aria, 19. 
Sagenocrinus, 58. 
Sagenopteris, 20. 
Salenia, 58. 
Salicoques, 76. 
Sanguinolaria, 100. 
Saurichth3^s, 204. 
Saurocephalus, 204. 
Saurodon, 205. 
Sauropsis, 205. 
Saxicava, 101. 
Scalaria, 162. 
Scalpellum, 68. 
Scaphites, 186. 
Scaphodus, 205. 
Schizopteris, 20. 
Schizostoma, 162. 
Scleenurus, 205. 
Sclerodus, 205. 
Scutella, 58. 
Scyllarus, 76. 
Scylliodus, 205. 
Scyphia, 28. 
Seiaginites, 20. 
Semionotus, 205. 
Seraphs, 162, 
Serpula, 65. 
Serpulites, 67. 
Sertularia, 44. 
Sigaretus, 162. 
Sigillaria, 20. 
Siphonia, 28. 
Solariella, 163. 
Solarium, 163. 
Solemya, 101. 
Solen, 101. 
Solenites, 2 1 . 
Sorex, 214. 
Spatangus, 58. 
Sphsera, 101. 
Sphsereda, 21. 
Sphaerococcites, 23. 
Sphserodus, 205. 
Sphseronites, 59. 
Sphseruhtes, 118. 
Sphenacanthus, 205. 
Sphenia, 101. 
Sphenophyllum, 21. 
Sphenopteris, 21. 
Sphenonchus, 208. 
Sphyrsenodus, 205. 
Spinax, 205. 
Spirifer, 127. 
Spirolina, 63. 
Spiroloculina, 64. 
Spirorbis, 67. 
Spondylus, 118. 
Spongarium, 60. 
Spongia, 28. 
Spyroglyphus, 67. 
Squaloraia, 205. 
Steneosaurus, 210. 
Sternbergia, 2. 
Stigraaria, 23. 
Streptospondylus, 210. 
Strigocephalus, 131. 
Strobilites, 33. 
Stromatopora, 44. 
Strombodes, 44. 
Strombus, 163. 
Strophodus, 206. 
Succinea, 163. 
Suchosaurus, 211. 
Sycocrinus, 59. 
Symbathocrinus, 59. 
Syringopora, 44. 
Tseniopteris, 24. 
Talpa, 214. 
Taxites, 24. 
Taxocrinus, 59. 
