Plagiodontes 



Index to the Nautilus 



Planorbis 



Plagiodontes dentatus 12: 57 

 plagioglossa, Polygyra 11 : 74 

 Plagiola, 12: 82, 15: 53, 23: 119 

 cyrenoides 15: 52 

 donaciformis 14: 78, 19: 59, 20: 



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

 elegans 14: 78, 15: 52, 16: 104, 

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

 29: 93, 30: 45 

 macrodon 22: 65 

 reflexa 23: 119 



securis 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, Thysanophora 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 

 plagosum, Busycon 27: 142 

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



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

 plana, Buceinum 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, Tornatina 22: 137 

 planatum, Pisidium 20: 45 

 Planaxis lineatus 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 

 hardouini 11 : 37 

 infracta 19: 64 

 porcellana 19: 64 

 trochalia 12: 16 

 planispira, Lithasia 14: 77 



planiuscula, Periploma 7: 133, 11: 81, 



29: 131, 31: 104 

 planivieta, Cytherea7: 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 



antiquitus 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 : 21, 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 



