Sitala 



Ini>i;.\ to THE Nautilus 



Solemya 



Sitala. 2: 39, 12: 114 



bilirata 12: 2 



circumcincta 15 : 63 



data 15: 62-3 



hangchowensis 20: 5 



latissima 16: 55 



marangensis 12: 1-2 



nijimana 17: 54 

 sitchana, Uttorina 9: 86, 9: 101, 12: 



111, 24: 44, 31: 98, 33: 25 

 sitiens, Flammulina 7: 88 

 sitkana, Littorina 33: 25 

 sitkana, Macoma 14: 120 

 sitkensis, Chrysodomus 28: 36 

 Skenea planorbis 2: 54, 7: 82, 9: 140, 

 10: 39, 10: 74, 12: 54, 21: 144, 26: 73 

 skinneri, Helix 2: 22 

 sloaneana, Helix 5: 140, 8: 4 

 sloaneana, Pleurodonte 8 : 4, 16 : 1 , 16 : 3 

 sloanei, Eutrochatella 26: 104-5, 29:. 

 137 



sloanii, Solen 13: 132 



sloanii, Vaginulus 5: 34 



sloanii, Veronicella 6: 128, 8: 21, 8: 60, 



13: 131, 16: 84, 34: 104 

 sloatianus, Unio 10: 30 

 sluiteri, Pteroeyclus 12: 17 

 smaragdinus, Ischnochiton 8: 129 

 smaragdus, Lirnax 34: 130 

 smaragdus, Turbo 34: 130 

 smithi, Achatina 11: 82, 12: 92 

 smithi, Ancylus 4: 71, 7: 123 

 smithi, Aperostoma 15: 135, 33: 139 

 smithi, Callolima 27: 47 

 smithi, Cleopatra 29: 45 

 smithi, Lima 27: 47 

 smithi, Martesia 27: 143, 33: 114 

 smithi, Spirotropis 24: 143 

 smithi, Trophon 18: 20 

 smithii, Carditella 10: 120 

 smithii, Diplothyra 2: 34, 18: 102 

 smithii, Neoplanorbis 21: 126, 33: 140 

 smithii, Panopea 30: 79 

 smithii, Physa 33: 142, 33: 144 

 smithii, Pisidium 19: 83 

 smithii, Planorbis 25 : 1 18, 32 : 128 

 smithii, Polygyra 19: 73, 25: 122, 25: 



124, 33: 140 

 smithii, Pyramidella 23 : 56 

 smithii, Pyrula 18: 10 

 smithii, Syrnola 23: 56 

 smithiae, Nenia 15: 37, 15: 39 

 smithiana, Physa 33: 142 

 smithiana, Trishoplita 14: 116 

 smithsoniana, Physa 15: 54 

 smockana, Lucina 7:51 

 sobria, Melania 12: 2 



socorroensis, Oreohelix 19: 71 

 sodalis, Epiphragmophora 14: 122 

 sodalis, Helix 14: 122, 14: 124, 17: 68 

 soelneri, Polygyra 21: 13 

 sogdianus, Buliminus 2: 6 

 solanderi, Clavilithes 18: 93 

 solandri, Trivia 7: 133, 10: 57, 17: 67, 

 21:65,22: 126,22: 135,27:28,32:27 

 Solariella, 6: 133 



bella 19 : 111 



eaneellata 27: 87 



ceratophora 10: 48 



eidaris 26: 136, 33: 26 



nuda 10: 48 



obscura 19: 130, 25: 106, 33: 26 



peramabilis 4: 36, 7: 102,26: 136, 

 33: 26 



triplostephanus 24: 34 



varicosa 7: 102 

 vSolaropsis, 6: 117, 6: 129 



brasiliensis 34: 99 

 Solaris, Trochus 34: 130 

 Solarium alabamense 9: 1 



bellastriatum 9: 77 



bimixta 9: 1 



cupola 9 : 1 



granulatum 21: 71 



nanum 23: 131 



planiforme 9: 2 

 solea, Vaginulus 7: 3, 10: 78 

 solea, Veronicella 7: 3 

 Solecurtoides nahantensis 13: 119 



radiatus 13: 119 



sayi 13: 119 

 Solecurtus, 2: 35 



candidus 17 : 60 



caribaeus 2: 35 



costatus 2: 35, 3: 28 



divisus 1: 52 



gibbus 2: 35, 30: 21 



platensis 7: 2 



strigillatus 17: 60 

 soledadensis, Unio 21: 79-80 

 Solemya, 22: 1 



agassizii 22: 2, 22: 62 



australis 22: 1 



bartschii 22: 61 



borealis 3: 5, 3: 58, 22: 2, 25: 106, 



30: 90, 34: 101 

 grandis 22: 2 

 japonica 22 : 2 

 johnsoni 5: 47, 22: 2 

 macrodactyla 22: 2 

 mediterranea 22: 2, 22: 133 

 occidentalis 22 : 2 

 panamensis 22 : 2 

 parkinsonii 22: 1 



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