Pellucens 



Index to the Nautilus 



Peracutissima 



pellucens, Buliminus 2: 6 



pellucens, Spiraxis 8: 20 



pellucens, Stenogyra 8: 20 



pellucida, Amastra 25: 16 



pellucida, Avicula 30: 69 



pellucida, Bifidaria 19 : 39 



pellucida, Chama 3: 65. 11: 53, 12: 9, 



12: 89, 16: 42. 21: 20. 21: 56, 28: 



26, 29: 131, 31: 104 

 pellucida, Cyclonassa 24: 83 

 pellucida, Gastrocopta 32: 72. 34: 52 

 pellucida, Hyalina 11: 129, 13: 12 

 pellucida, Labiosa 8: 41 

 pellucida, Mysia 14: 34 

 pellucida, Neara 2:61 

 pellucida, Partula 6: 76 

 pellucida. Pupa 3: 62. 4: 142 

 pellucida, Vertigo 26: 106 

 pellucida. Vitrina 9: 95. 21: 30, 22: 55 

 pellucidula. Trivia 17: 86 

 pellucidum. Rulimus 13: 118 

 pellucidus. Mvtilus 6: 27. 15: 94-5, 32: 



91 

 pellucidus, Solen 10: 126 

 peloncillensis, Sonorella 32: 83 

 peloritana, Leptothyra 5: 51 

 peloronta, Nerita 1: 13, 2: 119. 3: 137, 



5: 68. 15: 48, 17: 57. 19: 56, 33: 6, 



34: 124 

 pelta, Acmaea 5: 57, 7: 71, 9: 42, 11: 



23. 11: 43. 11: 53, 11: 66, 21: 92, 



24: 45. 28: 14, 28: 27. 31: 98, 33: 26 

 Peltatus. 22: 11 

 Peltodoris greeleyi 23: 132 

 peltoides, Siphonaria 21: 35, 21: 57, 



28: 81 

 peltoides. Williamia 16: 42. 18: 20, 



21: 86 

 pembertoni, Ataphrus 30: 70 

 penderi, Leda 32: 66 

 penicillata, Anachis 16: 40 

 penicillata, Cepolis 28: 106 

 penicillata, Columbella 25: 74, 27: 27 

 penicillata. Urillia 13: 24. 19: 51. 21: 



58. 22: 135, 27: 29 

 penicillatus, Medionidus 18: 136 

 penicillatus, Unio 13: 138 

 peninsulae. Ancylus 9: 138, 13: 48, 



16: 86, 16: 88, 17: 26. 17: 28, 20: 9, 



33:7 

 peninsulae, Galba 25: 107 

 peninsulae, Lymnaea 22: 9, 22: 16. 



22: 19 

 peninsulae, Physa 13: 48. 13: 70 

 peninsularis, Gastrocopta 34: 93-4 

 peninsularis, Planorbis 17 : 1 1 

 peninsularis. Sonorella 29: 16. 29: 100 



penita, Penitella 21: 57 



penita, Pholadidea 5: 55, 5: 59. 7: 72, 

 10: 93, 11: 24. 11: 53, 11: 66, 12: 9, 

 21: 22. 28: 26 



penita. Truncilla 24: 77. 24: 79-80 



penitus. Unio 6: 45. 18: 57 



Penitella penita 21: 57 



pennaceus. Pectunculus 7: 116, 34: 122 



pennatifera, Xylotrya 5: 55 



pennsylvanica. Goniobasis 30: 4, 33: 74 



pennsylvanica Helix 4: 137 



pennsvlvanica, Lucina 7: 114. 11: 32, 

 12: 143, 17: 57 



pennsylvanica. Mesodon 7: 68. 7: 135 



pennsvlvanica, Polvgvra 11: 95. 16: 51, 

 24:92. 25: 131.' 26: 91. 26: 93, 28: 

 16. 33: 14, 34: 28 



pennsylvanicus. Phacoides 19: 35 



pennsvlvanicus. Philomvciis 11 : 140, 30: 

 58, 33: 80. 33: 88 



pennsvlvanicus. Somatogvrus 17: 135, 

 17:" 140. 19: 116, 29: 49 



peoriensis. Succinea 6: 19. 11: 143 



pepiniana. Anodonta 6: 65. 



pepo. Voluta 34: 131 



peponum. Tornatellina 23: 123 



pentabranchus. Doridunculus 22: 24 



Pentadactylus fusco-imbricatus 33: 71 



pentadelphia. Vitrea 14: 57 



pentagonoides. Quadrula 16: 39-40 



pentagyra. Zonitoides 21: 28. 21: 77 



Pentataenia 3: 52 



pentodon. Bifidaria 11: 118. 13: 3, 13: 

 15, 13: 46. 13: 79. 13: 103, 14: 31, 

 14: 64. 14: 74. 14: 93. 14: 103, 17: 

 131. 19: 58. 19: 121-2. 19: 134, 

 20: 101. 20: 141. 21: 68. 21: 144, 22: 

 65. 22: 120. 23: 94. 24: 63. 25: 35, 

 25: 64. 25: 75. 25: 116. 26: 15, 27: 



96, 28: 11. 29: 19. 29: 91. 29: 123, 

 30: 38, 30: 72, 32: 136 



pentodon, Gastrocopta 31: 54. 31: 56, 

 31: 70, 31: 114. 33: 14. 33: 68, 33: 



97, 34: 39. 34: 48. 34: 52 

 pentodon. Pupa 1: 54. 2: 54, 3: 69, 3: 



84, 3: 123, 3: 131. 3: 138. 6: 4. 6: 7, 

 6: 100. 7: 69. 7: 86. 8: 64, 8: 70, 

 8: 107. 8: 126. 8: 137, 9: 89, 10: 43, 

 10: 106, 11: 110. 11: 136, 14: 64, 

 16: 59, 25: 27 



pentodon, Vertigo 3: 84. 5: 138. 6: 18, 

 7: 127. 7: 135. 9: 3, 10: 101, 19: 121 



peoriensis. Succinea 7: 127, 20: 90, 20: 



98, 20: 120 



peracuta. Amnicola 3: 24, 22: 65 

 peracuta, Pleurodonte 15: 102 

 peracutissima. Helix 7: 112. 8: 4 



321 



