Iridinidae 



Index to the Nautilus 



Islandicus 



Iridinidae. 2: 22 



iridium, Calliostoma 10: 48 



iris, Biiccimim 34: 125 



iris, Caiitharidus 6: 132 



iris, Dendronotiis 17: 7 



iris, Eurvnia 29: 65 



iris, Lampsilis 13: 88. 14: 70, 14: 78, 



15: 39. 19: 59. 22: 93. 23: 14-15, 



23: 119, 27: 21, 30: 7, 30: 30 

 iris, Tellina 14: 119 

 iris, Unio 4: 21. 4: 137, 6: 44 

 iris, Venerupis 22: 133 

 irisans, Anodonta 6: 64 

 irisans, Oliva 4: 135-6, 10: 3-4, 24: 50, 



28: 98 

 irradians, Chlamys 11: 116 

 irradians. Pecten 1: 21, 3: 28, 4: 113, 



4: 138, 6: 28, 9: 119. 11: 39. 15: 113, 



18: 48, 21: 69. 27: 122. 28: 52, 30: 91 

 irrediviva, Euhadra 18: 32 

 irrediviva, Eulota 18: 32 

 irregulare, Coelocentrum 9:51 

 irregularis, Petaloconchus 10: 122 

 irrorata, Adamsiella 24: 85, 24: 86, 24: 



88 

 irrorata, Cyprogenia 14: 79. 20: 53, 22: 



93. 23: 13-14, 30: 46 

 irrorata. Cypraea 6: 119 

 irrorata, Littorina 2 : 72, 3 : 28, 3 : 1 15. 5 : 



44, 6: 27, 14: 73. 21: 71, 33: 114, 



33: 141 

 irrorata, Naria 6: 119 

 irrorata, Obovaria 30: 46 

 irrorata, Urocoptis 27: 136 

 irroratus, Unio 4: 21, 11: 21. 12: 19-20, 



12: 136, 12: 56, 24: 103 

 irus, Venerupis 12: 56, 24: 103 

 irvineanae. Cypraea 4:71 

 irwiniana, Amastra 25: 16 

 isabella, Cypraea 9: 101, 11: 123, 19: 



77, 26: 78 

 isabella, Strombus 13: 94 

 isabelleana. Mactra 5: 44. 11: 8 

 isabelleana, Natica 11: 7 

 isabellei, Chaetopleura 11: 8 

 isabellei. Chiton 7: 2 

 isabellei. Littoridina 10: 79 

 Isapis fenestrata 13 : 102. 25 : 74, 24 : 1 12 

 obtusa 13: 102, 24: 112, 26: 13 

 ischna, Urocoptis 26: 105 

 Ischnochiton, 32: 1 

 acrior 27: 28 

 acutior 22: 136 

 asthenes 33: 70 

 bermudensis 25: 24 

 berryi 21 : 51 

 biarcuatus 17: 132, 18: 19 



Ischnochiton cancellatus 7: 102 



castus 8: 129 



clathratus 21: 51, 22: 136, 27: 28 



coinptus 12: 51 



conspicuus 12: 9, 15: 53. 15: 144, 

 16: 42, 17: 68. 21: 67, 27: 28, 

 28: 81, 30: 71, 31: 37 



contractus 8: 128-9 



cooperi 2: 68, 5: 58, 11: 53, 21: 51 



crispus 8 : 1 29 



decussatusS: 129 



didymus 27: 28 



eHzabethensis 8: 9, 12: 41-2 



haddoni 8: 129 



interstinctus 7: 102, 10: 19, 18: 19, 

 24: 45 



lentiginosus 8: 129 



magdalenensis 12: 89, 16: 42, 19: 

 36,21: 51 



mayi 8: 128 



mertensii 8: 57. 16: 42. 21: 51, 24: 

 45 



mitsukurii 12: 51 



nipponica 31: 144 



oniscus 12 : 41-2 



palHdus 8: 129 



papillosus 13: 54. 13: 130, 27: 59 



pilsbryanus 31: 144 



polii 22: 133 



ptychius 8 : 53 



punctulatissimus 18: 19, 19: 36 



radians 10: 17, 21: 51, 33: 27 



raymondi 28: 26 



regularis 12: 89, 21: 51 



retiporosus 33: 27 



sarcosus 16 : 42 



scabricostatus 10 : 49 



smaragdinus 8: 129 



solidus 31 : 40 



speciosus 8: 129 



striolatus. 8: 54, 13: 120 



trifidus 24: 45. 33: 27 



veredentiens 21: 51 



virgatus 8: 129 



willetti 32: 35, 33: 27 

 ischnostele, Coelocentrum 22: 139 

 Iselica, 32: 107 



isidroensis, Epiphragmophora 33 : 32 

 islandica, Arctica 12: 74 

 islandica, Cyclas 21: 143. 25: 106 

 islandica. Cvprina 9 : 35. 10 : 125.16: 18, 



30:90, 34: 101 

 islandica, Venus 17: 95 

 islandicum, Cardium 15: 10, 17: 111 

 islandicus, Chlamys 11: 116, 32: 66 

 islandicus, Chrysodomus 27 : 142, 30: 11 

 islandicus, Fusus 5: 63 



247 



