INDEX 



133 



N. 



NauHlidae, 63. 

 Nautiloceras, 64. 

 Nautilus, 64. 



biangulatus, 64. 



coronatus, 64. 



eccentricus, 65. 



Edwardsianus, 64. 



omalianus, 64. 



pinguis, 64. 



pompilus, 63, 64. 



Seebachiauus, 64. 



strigalis, 64. 



sulcatus, 64. 

 Neasra, 36. 

 Neilo, 60. 

 Nereiiia, 108. 

 Neridomus, 108. 

 Neripteron, 108. 

 Nerita viridis, 108. 

 Neritella, 108. 



nebrascensis, 108. 

 Neritidse, 108. 

 Neritina, 108. 

 Neritoma, 108. 

 Nicania, 93. 

 Nodularia, 91. 

 Northoceras, 64. 

 Notosipliites, 124, 125. 

 Notocceli, 125. 

 Nucleospira, 16. 

 Nuculana, 60. 

 Nucula limatula, 60. 

 Nuoulanidse, 59. 

 Nuculaninse, 60. 

 Nuculites, 34. 

 Nuculocardia, 84. 

 Nucunella, 84. 



Nystii, 84. 

 Nummulina, 12. 

 Nummulinidae, 12. 



O. 



Obolella, 1. 

 Obolella, 3. 



chromatica, 3, 4. 



nana, 4. 

 Obolus, 1. 

 Obovaria, 91. 

 Oceanus, 64. 

 Odontocineta, 101. 



Odoncinetus, 101 



Ompbalia, 64. 



" Ondulees, Les," 83. 



Operculina, 11. 



Opis, 34. 



Orbis, 106. 



Orthis, 23. 



deformis, 26. 

 Ortbisina, 24. 



alternata, 26. 



arctistriata, 26. 



crassa, 26. 



missouriana, 25. 



Sbumardiana, 25. 

 Ortboceras, 63. 

 Orthonota, 36, 85. 

 Orthonymus, 91. 

 Ostracites, "72. 

 Ostrea, '12. 



calceola, T4. 



edulis, 12. 



Engelmanni, 73. 



Marshii, H. 



matercula, "73. 



nobilissima, 13. 

 Ostreidse, 48. 

 Ostreidee, 12. 

 Ostreites, T2. 

 Ostreum, 72. 

 Ovales, 103. 

 Oxytoma, 79. 



Paclites, 124. 

 Pachycardia, 34. 

 Pachyrisma, 34. 

 Pachymya, 84. 

 Paludina, 114. 



subcarinata, 115. 

 Paludomus, 114. 

 Pandora, 36. 

 Pandorella, 36. 

 Panopsea Cooperi, 43, 44. 



(Myacites) subelliptica, 

 101. 

 Papyridea, 97. 

 Paradoxidee, 6. 

 Paradoxides, 8. 

 Parallelepipedum, 88. 

 Pecten bellistriatus, 77. 



cottaldinus, 77. 



extenuatus, 78. 



galliennei, 77. 



Pecten Jacobius, 77. 

 lens, 76, 78. 

 maximus, 77. 

 rotomagensis, 77. 

 striato-punetatus, 76. 

 virgatus, 76. 

 Pectinites, 22, 100. 

 " Peciinacees, Les," 83. 

 Pectinibranchiata, 111. 

 Pectinidee, 48. 

 Pectinidse (Jurassic), 76. 

 Pectininas, 48. 

 Pectininas (Jurassic), 76. 

 Pectunculites, 22. 

 Peloris, 72. 

 Peloriderma, 72. 

 Pentacrinidse, 66. 

 Pentacrinites, 66. 



asteriscus, 67- 

 Pentacrinus, 66. 

 Pentagonia, 16. 

 Persii, 16. 

 Pentagonites, 66. 

 Pentamerus, 19, 70. 

 Permian Period, 48. 

 Perna, 28, 87. 

 Philopotamis, 114. 

 Pholadomyaea, 103. 

 Pholadomya, 102. 

 abrupta, 104. 

 anteradiata, 104. 

 arcuata, 103. 

 cancellata, 103. 

 Candida, 103. 

 cardissoides, 103. 

 cincta, 103. 

 decussata, 103. 

 humilis, 104. 

 multicostata, 103. 

 nuda, 103. 

 omaliana, 42. 

 pectinata, 103. 

 pelagica, 103. 

 semicostata, 103. 

 similis, 103. 

 tenuicostata, 103. 

 Phragmoceras, 63. 

 Physa, 105. 

 Physinse, 105. 

 Physopsis, 105. 

 P'leolus, 108. 

 Pinctada, 79. 

 Plagiola, 91. 

 Plannella, 112. 



