128 



INDEX OF GENERA. 



Platurns, 96. 



* Platycrinus, 32. 

 *Platysomus, 88. 



Plecotus, 115. 

 * Plesiosaurus, 98. 



J'lethodon, 92. 



1'leurobrachia, 25. 



Pleuronectes, 87. 



J'leurotmna, 81. 



I'leurotomaria, 81. 

 * J'licatocrinus, 32. 



Pliobothrus, 21. 



* Pliosaurus, 98. 

 JVoto, 100. 

 Plumatella, 74. 

 Plumularia, 17. 

 Plyctolophus, 102. 

 Pneumodermon, 83. 

 Podiceps, 100. 

 Podocyrtis, 8. 

 Podophrya, 8. 

 Podura, 66. 

 Pcecilasma, 49. 

 Pollicipes, 49. 

 Polyarthra, 42. 

 Polycelis, 39. 

 Polydonia, 20. 

 Polycope, 50. 

 Polydesmus, 64. 

 Polyergus, 71. 

 Polygnrdius, 47. 

 Polynoe, 46. 

 Polyodon, 89. 

 Polyphemus, 53. 

 Polypterus, 89. 

 Polystomnm, 37. 

 Polyxenus, 64. 

 Polyzonium, 64. 

 Pomacentrus, 87. 

 Ponera, 71. 

 Pontella, 51. 

 Pontobdella, 45. 

 Porcellana, 59. 

 Porites, 22. 

 Porocidaris, 27. 

 Porpita, 20. 

 Portunus, 59. 

 Potamogale, 116. 



*Poteriocrinu&, 32. 



/Vaya, 18, 19. 



Priapulus, 43. 



Pristiophorus, 90. 



Pristis, 90. 



Procellaria, 100. 



Procyon, 113. 

 *Producta, 77. 



I'romerops, 103. 



Prostomum, 39. 



Protamosba, 4. 



Protetta, 55. 



Proteolepas, 49. 



Proteus, 92. 



Protomyxa, 4. 



Protopterus, 91. 

 *Protorosaurus, 97. 



Psammabia, 79. 



Pseudis, 94. 



Pseudopus, 97. 



Psittacus, 102. 



Psocus, 68. 



Psote, 32. 

 *Pteranodon, 98. 



Pteraster, 30. 

 *Pterichthys, 89. 



Pteroceras, 80. 



Pterocles, 101. 

 *Pterodactylus, 98. 



Pteropus, 116. 

 *Pterygotus, 54. 



Pttfee, 69. 



Pulvinulina, 6. 



Pwpa, 82. 



Purpura, 81. 



Putorius, 113. 

 *Pycnodus, 88. 



Pycnogonum, 60. 



Pygaster, 28. 



Pyramidella, 81. 



Pyrgoma, 49. 



Pyrosoma, 76. 



Python, 95. 



Pyxis, 94. 



Quadrula, 4. 



ia, 90. 



Rallus, 101. 



Rana, 94. 



Ranina, 59. 



Reduvius, 66. 



Reniera, 10. 



Renilla, 23. 



Retepora, 74. 

 *Retiolites, 20. 



RJiabditis, 41. 



Rhabdogaster, 41. 



Rluibdopleura, 75. 



RJiamphastos, 102. 

 *R/iamphorhynchus, 98. 



Rhaphigaster, 67. 



TiAea, 99. 



Rhesus, 118. 



/toma, 90. 



Rhinobatis, 90. 



Rhinoceros, 110. 



RJiinodon, 90. 



Rhinolophus, 115. 



Rhinophrynus, 94. 



Rhipidogorgia, 23, 24. 



Rhizostoma, 20. 



Rhizoxenia, 23. 

 *Rhodocrinus, 32. 



Rhombus, 87. 



Rhynchonella, 77. 



Rhynchopygus, 28. 

 *Rhytina, 109. 



