Plagiodontes 



Index to the Nautilus 



Planorbis 



Plagiodontes dentatiis 12: 57 

 plagioglossa. Polvgvra 11: 74 

 Plagiola. 12: 82, 15: 5,v 23: I 19 

 cyrenoides 15: 52 

 donaciforiiiis 14: 78, 19: 59, 20: 



53, 23: 92. 27: 22. 30: 15 

 clegans 14: 78, 15: 52. 16: 104, 

 20: 53. 23: 102, 27: 22. 28: 76, 

 29: 93. 30: 45 

 niacrodon 22 : 65 

 reflexa 23 : 119 



seciiris 14: 78. 16: 104, 20: 53, 

 22: 93, 23: 102-3, 23: 119, 27: 

 132, 30: 45 

 Plagioptycha. 6: 48 

 plagioptycha. Helix 3: 62, 33: 94 

 plagioptycha, Thvsanophora 11: 105, 

 13: 45, 19: 38, 21: 100, 21: 102, 21: 

 104. 26: 12, 26: 17-21. 26: 31. 26: 

 33-4. 29: 82. 29: 143. 33: 18. 33: 94, 

 34: 39. 34: 48. 34: 94. 34: 108 

 plagosnm. Busycon 27: 142 

 plana, Anodonta 2: 21. 2: 36, 4: 21, 4: 



48, 5: 63, 6: 65. 7: 70, 8: 65, 13: 5 

 plana. Buccinum 8: 78 

 plana, Crepidula 1: 44. 3: 28, 6: 28, 6: 

 41-2, 6: 63, 10: 122. 13: 54. 19: 26, 

 19: 55. 19: 103. 21: 99. 25: 106, 29: 

 110. 30: 90. 30: 130, 32: 93. 33: 112, 

 34: 124 

 plana. Paludestrina 24: 139 

 plana, Polygyra 33: 72 

 planata, Haliotis 12: 106 

 planata, Tellina 24: 103 

 planata, Tornatiiui 22: 137 

 planatum. Pisidiuin 20: 45 

 Planaxis lineatiis 5: 67 

 nigritella 26: 143 

 nucleus 5: 67. 19: 56 

 planaxis. Littorina 5: 57. 7: 71-2, 10: 

 56, 11: 23, 11: 53, 11: 90. 12: 89, 

 16: 41, 21: 44, 21: 65, 28: 27, 29: 

 131, 31: 104 

 planetica. Cuspidaria 32: 67 

 planicosta. Cardita 8: 75 

 planicosta. Venericardia 9: 77. 22: 36 

 planicostatus. Lampsilis 14: 78 

 planiforme. Solarium 9: 2 

 planilabra, Partula 6: 74 

 planilirata. Haliotis 4: 103 

 Planispira aldrichi 12: 15 

 endoptycha 19: 64 

 hardouiui 11 : 37 

 iiifracta 19: 64 

 porcellana 19: 64 

 trochalia 12: 16 

 planispira. Lithasia 14: 77 



I)laniuscula. Periploma 7: 133, 11: 81, 



29: 131. 31: 104 

 planivieta. Cvtherea 7: 107 

 Planogyra. 7: 93. 11: 142 



asteriscus 2: 54, 3: 97-8, 34: 58 

 Planorbis 2: 111. 3: 8, 3: 68, 3: 88, 

 6: 123 



aequalis 19: 101 



affinis 5: 34, 8: 33 



alabamensis 8: 114. 9: 52-3, 9: 55 

 18: 34. 25: 126. 31: 55 



albina 9: 24 



albusl:78.6: 137,7: 128,9:55,13: 

 6. 19: 4. 19: 20, 20: 91, 26: 117 



altissimus 32: 95 



ammon 5: 54, 5: 56. 13: 137, 17: 75 



angistomus 23: 2, 23: 4, 24: 137, 

 28: 8 



anitensis 17: 11 



anodonta 34: 38 



angulatus 23: 21 



anticiuitus 24: 140 



antrosus 23: 1-2, 23: 5. 24: 137. 

 26: 28. 26: 96. 26: 131, 27: 7, 

 27: 106, 28: 8. 29: 90, 29: 92, 

 29: 95. 29: 125, 30: 9. 30: 135, 

 31: 91. 31: 106, 32: 41. 32: 95, 

 32: 97, 33: 15, 33: 60-1 



arcticus 15: 10 



armigera 1 : 2 1 , 13 : 6 



aroostookensis 8: 115,8: 126,9:5, 

 13: 105, 23: 3. 23: 7, 27: 141 



avus 24 : 2 



bicarinatus 2: 40. 3: 23, 4: 114, 

 4: 136. 6: 83, 6: 103, 6: 136, 7: 

 33,7:69,7: 128.7: 135.8:65,8: 

 115, 8: 126, 8: 138, 9: 5, 9: 127, 

 10: 84. 10: 117, 11: 10-12, 11: 

 121-2, 12: 65, 12: 138, 13: 6, 

 13: 35, 13: 58, 13: 79. 13: 89, 

 14: 70-1, 14: 76, 14: 102, 15: 

 120, 15: 128, 17: 39, 17: 113, 

 18:54, 19:66. 19: 28.20: 17.20: 

 23.20:82.20:91.20:98.21: 106, 

 22: 19. 22: 32. 22: 64-5. 22: 105, 

 22: 121 2. 23: 1. 23: 10. 23: 

 21. 23: 96. 24: 62. 24: 69, 24: 

 72. 24: 136, 24: 140, 25: 28, 

 25: 67, 25: 117, 25: 126, 26: 

 38, 26: 41, 26: 117, 26: 131, 27: 

 68, 27: 92. 27: 141, 28: 89-90, 

 29: 95, 30: 31, 30: 33. 32: 41, 

 32: 128 

 billingsi 9: 54 



binneyi 9: 102. 13: 134, 14: 34, 

 18: 96. 20: 98. 23: 41, 23: 113, 

 25: 67. 30: 9. 31: 91 



332 



