Pisidium 



Index to the; Nautilus 



Plagiodon 



Pisidium rowelli 17: 80, 31: 34 



sargenti 15: 67, 29: 95, 31: 85, 

 33: 17 



scholtzii 17: 22, 17: 48 



scutellatum 9: 99, 10: 66, 14: 103, 

 19: 2, 23: 43, 29: 47, 30: 30, 

 31: 12.31:85 



seminuluin 14: 103 



septentrionale 12 : 78, 13 : 1 2. 19 : 84 



simplex 19: 84, 22: 106, 28: 19, 31: 

 85 



singleyi 11 : 1 12, 19: 3 1 , 20: 44, 21: 

 80, 25: 117, 34: 49 



smithii 19: 83 



sphaericiim 26: 8, 28: 20 



splendidulum 11: 113. 11: 124-5, 

 12: 118, 13:31,13: 106, 13: 112, 

 14: 100, 14: 103-4, 17: 42, 20: 

 100, 22: 106. 22: 114. 26: 138-9, 

 31 : 85 



steenbuckii 15: 10 



sterkianum 12: 46 



streatori 14: 100. 21: 47 



strengii 15: 126. 17: 43 



subrotundum 20: 19, 22: 106, 24: 

 69, 26: 7, 26: 65, 29: 94 



subtriincatum 17: 81 



succineum 20: 99, 22: 114 



superius 20: 98 



supiniim 12: 118 



tenuilineatum 33: 33 



tenuissimum 14:99.20: 19, 22: 106 



torquatum 9: 142 



trapezoideum 9: 124, 20: 89, 20: 99 



triangulare 22: 106 



ultramontanum 9: 98. 9: 102, 13 

 67. 17: 80 



variabile 2: 49. 6: 67. 7: 129, 8 

 126, 8: 140, 9: 6, 9: 76, 9: 98-9 

 9: 102,9: 128, 10: 16, 11: 10, 12 

 117-18, 13: 4, 13: 106, 14: 5 

 14: 103-4,15: 132,17:82,18: 129 

 19: 2, 19: 32, 19: 118, 20: 44 

 20: 98, 22: 32. 22: 105-6. 22 

 113-14, 23: 11. 25: 1, 26: 6, 26 

 96, 26: 118, 26: 138. 29: 94-5 

 31: 85 



ventricosum 3: 33, 6: 67. 9: 6, 10 

 21, 11: 114, 13: 55. 13: 106, 14 

 1 03-4, 17 : 22, 20 : 91 , 22 : 1 14, 22 

 106. 



vesiciilare 10: 21, 11: 114. 31: 12 



31: 86 



vile 12: 46 

 virginicum 4: 



4: 115. 6: 66, 



7: 34, 7: 129, 8: 139, 9: 6, 9: 75. 

 9: 128, 10: 67, 12: 117, 12: 118, 



17: 



<: 1, 

 30, 



12: 

 17: 



34: 



34: 



13:4, 13:30, 14: 79, 15: 132. 

 82, 18: 57, 19: 30, 20: 43, 25 

 25: 29, 25: 127, 27: 83, 30: 

 25: 144 

 Pisidium volutabundum 24: 144 

 walkeri, 9: 75, 9: 128, 10: 67, 

 79, 13: 31, 13: 106, 14: 103, 

 21, 20: 18, 26: 136, 29: 95 

 pisiformis, Strigilla 7: 117, 14: 119, 



41 

 Pisinna elongata 12: 54 

 glabrata 12: 54 

 punctulum 12: 54 

 seminulum 12: 54 

 pisum, Stoastoma 8 : 32, 24 : 85, 24 : 90 

 Pitar, dione 20: 2 

 Pitaria albida 16: 139 

 alternata 16: 141 

 circinata 16: 141 

 dione 16: 129 

 eucymata 16: 139 

 fulminata 16: 139-40, 17: 127 



122 

 lupanaria 16: 140 

 newcombiana 16: 140 

 simpsoni 16: 139, 34: 122 

 tomeana, 16: 140 

 pitcheri, Gryphaea 12: 108 

 pityonesica, Helix 26: 112 

 pityonesica. Jeanneretia 26: 112 

 Pitys, 6: 68-9 

 placenta, Anomia 34: 129 

 placenta. Placuna 13: 130, 34: 129 

 placentula, Hyalina 16: 23 

 placentula, Vitrea 11: 130, 14: 57, 



89 

 placentula, Zonites 7: 16-17, 7: 33, 



23 

 Placiphorella rufa 32: 25, 33: 28 

 sinuata 7: 102, 



velata 18: 20, 21: 52, 25: 74, 33 

 PlacobranchuB californiciis 25: 25 



catulus 31: 132 

 Placopecten, 11: 116 

 Placostylus, 8: 35 

 alienus 7: 116 

 francoisi 19 : 44 

 hebridarum 19: 44 

 Placuna ephippium 34: 129 

 placenta 13: 130, 34: 129 

 sinuosa 7 : 116 

 Placunanomia echinata 7: 116 



macroschisma 5: 55, 7: 72, 9 

 40, 10: 69, 11: 53, 12: 84 

 112. 13: 29. 

 rudis 5: 43. 13: 84 

 Plagiodon, 7: 20. 7: 30 



21: 

 16: 



28 



39- 

 12: 



331 



