Crculus 



Index to the Nautilus 



Clausa 



circulus, Obovaria 14: 79, 15: 81, 22: 



93, 23: 13-14, 23: 119, 24: 95 

 circulus, Unio 4 : 21 , 4 : 137, 6 : 43, 13 : 23 

 circumcarinata, Cancellaria 18: 124 

 circumcarinata, Helix 15: 130 16: 61 

 circumcarinata, Epiphragmophora 11 : 



48, 14: 41, 16: 62-3, 16: 83 

 circumcincta, Cancellaria 4: 36, 7: 101 

 circumcincta, Sitala 15: 63 

 circumcincta, Terebra 21: 125 

 circumdata, Microcystina 16: 55 

 circumlineata, Goniobasis 13: 66 

 circumscriptus, Arion 18: 91, 22: 98, 

 32: 106 



circumstriata, Sonorella 19: 71 

 circumstriata, Vitrea 25: 125, 31: 115 

 circumstriatus, Halistylus 11: 7, 12: 47 

 eircumstriatus, Planorbis 9: 54 

 circumtexta, Ocinebra 2: 68, 3: 81, 7: 

 72, 9: 16, 12: 89, 14: 115, 16: 40, 17: 

 67-8, 21: 41 

 circumtextus, Murex 21: 41 

 cirratus, Planorbis 33: 118 

 cirrus, Planorbis 33: 118 

 Cistella, 14: 44 



barrettiana 7: 104 



woodwardiana 7: 104 

 cisternina, Amnicola 34: 39 

 Cistula limbifera 32: 88 



catenata 26: 105 



radiosum 34: 44 

 cithara, Voluta 34: 131 

 citrina, Acanthodoris 23: 101 

 citrina, Cypraea 15: 83 

 citrina, Nanina 10: 63 

 citrina, OHva28: 114, 29: 70 

 citrina, Partula 6: 74 

 citrina, Tylodina 9: 78 

 citrinum, Cardium 7: 105 

 citrinus, Modiolus 27: 143 

 claibornensis, Coralliophaga 11: 135 

 claibornensis, Lampsilis 18: 135, 20: 53 

 claibornensis, Oryctoma 11: 135 

 claibornensis, Pisania 22 : 98 

 claibornensis, Unio 24: 135 

 Clanculopsis cingulata 12: 55 

 Clanculus consobrinus 7: 60 



euchelioides 7: 60 



pallidus 17: 71 



rosea 22: 133 

 clandestina, Cypraea 26: 78 

 clandestina, Marginella 12: 52 

 clappi, Bifidaria 22: 108-9, 22: 127, 26: 



15, 29: 91 

 clappi, Clappia 22: 89, 33: 140 

 clappi, Gastrodonta 12: 86, 12: 99, 14: 

 51, 14: 58, 15: 37 



clappi, Helicina 21: 102, 21: 104, 23: 



89-90, 26: 18-21, 26: 32-4 

 clappi, Helix 11: 74 

 clappi, Labyrinthus 15: 34 

 clappi, Oreohelix 18: 53, 19: 71 

 clappi, Pleurodonte 15: 34, 15: 37 

 clappi, Polygyra 11: 93 

 clappi, Punctum 11: 133, 11: 142 

 Clappia, 22: 89 



clappi 22: 89, 33: 140 

 clara, Circinaria 15: 134, 33: 139 

 clara, Cypraea 1: 34 

 clara, Hirasiella 15: 142, 16: 137 

 clara, Leda 7: 113 

 clara, Partula 6: 75 

 clara, Pleurobema 14: 79 

 clarkeana, Corbula 22: 74 

 clarkeana, Pleurotoma 14: 79 

 clarkei, Amnicola 31: 45, 31: 88 

 clarkei, Terebra 26: 75 

 clarkensis, Pecten 30: 68 

 clarki, Epitonium 34: 115 

 clarki, Polygyra 12: 98, 12: 100, 14: 



54 



clarkiana, Bathytoma 28: 64 

 clarkii, Caecum 32: 76 

 clarkii, Polygyra 11: 92, 11: 95, 14: 51, 

 25: 120 



claromphalos, Epiphragmophora 13: 18 

 clathrata, Daphnella 18: 19 

 clathrata, Ricinula 27: 79-80 

 clathrata, Tryonia 7: 35, 12: 122 

 clathrata, Voluta 33: 134 

 clathratula, Scala 20: 127 

 clathratus, Ischnochiton 21 : 5 1 , 22 : 136, 

 27: 28 



clathratus, Littorina 24: 101 



clathratus, Triton 27: 55 



clathratus, Trophon 12: 73, 17: 110 



Clathrodon 8: 27 



Clathrodrillia diegensis 34: 115 



clathrus, Scala 3: 106 



clathrus, Truncatella 14: 130, 21: 103, 



26: 31, 26: 33-4, 31: 54 

 Clathurella affinis 16: 41 



canfieldi 21 : 40 



conradiana 22: 38 



linearis 24 : 83 



lowei 17: 132, 18: 19 



plicata 3: 114 

 clausa, Goniobasis 18: 39 

 clausa, Helix 5: 132, 6: 16, 6: 77 

 clausa, Mesodon 7: 33, 7: 68, 7: 136 

 clausa, Natica 21: 143, 22: 38, 24: 31, 



25: 105, 26: 135, 31: 98, 33: 25 

 clausa, Polygyra 9: 89, 11: 95, 12: 36, 

 14: 31, 14: 55, 14: 75, 20: 34, 23: 82, 



164 



