INDEX OF GENERA. 



127 



Ornithorhynchus, 106. 

 *0rohippiis, 110. 



Orthagoriscus, 88. 

 *Orthis, 77. 

 *0rthoceras, 84. 



Orycteropus, 108. 



Osculina, 9. 

 *0steolepis, 89. 



Ostraci&n, 88. 



Osirea, 78. 



Otari'a, 113. 



Otis, 101. 

 *0udenodon, 98. 



Owios, 111. 



0w, 111. 



Ovulun, 81. 



Oxyuris, 41. 



Pagurus, 59. 

 *Palceaster, 30. 

 * Palcechinus, 27. 

 Palceman, 58. 

 * Palceoniscus, 88. 

 * PalcEotherium, 110. 

 Palamedea, 101. 

 Palinurus, 58. 

 Pallene, 60. 

 Palmipes, 29. 

 Pahidina, 81. 

 Palythoa, 22. 

 Pandalus, 58. 

 Panorya, 69. 

 Papilio, 70. 

 Paradisea, 102. 

 *Paradoxides, 54. 

 Paramcecium, 8. 

 *Parkeria, 5. 

 Parra, 101. 

 Parws, 103. 

 Passer, 102. 

 Patella, 81. 

 Pauropus, 64. 

 Paw, 101. 

 Pavonaria, 23. 

 Pecten, 78. 

 Pectinaria, 46. 

 Pectunculus, 78. 

 Pedalion, 42. 

 Pedicellina, 75. 

 Pediculus, 60. 

 Pelagia, 20. 

 Pelagonemertes, 39. 

 Pelecanus, 100. 

 Pefow, 96. 

 Pelobates, 94. 

 Pelomyxa, 4. 

 Pelonaia, 75. 

 *Peltocaris, 53. 

 Peltogaster , 48. 

 Penceus, 58. 

 Peneroplis, 5. 

 Pennatula, 23. 

 Pentacrinus, 32, 34. 



P&itacta, 32. 

 *Pentamerus, 77. 



Pentastoma, 60. 



Pentatoma, 67. 

 *Pentremites, 35. 



Perameles, 107. 



P-ca, 87. 



Peroter, 101. 



Peridinium, 8. 

 * Periechocrinus, 32. 



Peripatus, 64. 



Penplaneta, 67. 



Perto, 68. 



Perophora, 75. 



Petaurus, 107. 



Petromyzon, 87. 



Phacochcerus, 110. 



Phaeton, 100. 



Phalacrocorax, 100. 



Phalangista, 107. 



Phalangium, 61. 

 * Phaneropleuron, 89. 



Phanogenia, 32. 



Phascolarctos, 107. 



Phascolomys, 106. 



Phascolosoma, 43. 



Phasianus, 101. 



Phasma, 67. 



Philodina, 42. 



PAoca, 113. 



Phoccena, 109. 



Phcenicopterus, 100. 

 *Pholadomya, 79. 



PAoto, 79. 



Phormosoma, 27. 



Phorcniis, 43. 



PhoxichUus, 60. 



Phronima, 55. 

 Pkryganea, 69. 

 Phrymis, 62. 



Phthinus, 65. 

 Phyllium, 67. 

 Phyllobothrium, 36. 

 Phyttodoce, 46. 

 *Phyllograptus, 20. 

 Phyllomedusa, 94. 

 Phyllostoma, 115. 

 Phylloxera, 66. 

 Physalia, 20. 

 Physeter, 109. 

 Physophora, 20. 

 Pica, 102. 

 Picws, 102. 

 Pilummis, 59. 

 Pinna, 78. 

 Pinnotheres, 59. 

 Ptpa, 94. 

 Piscicola, 45. 

 * Pisocrinus, 32. 

 Placuna, 78. 

 Planaria, 39. 

 Platalea, 101. 

 Platanista, 109. 



