Arionta 



Index to the Nautilus 



Arrosum 



Arionta diipetithouarsi 7:71 



kelletii 3: 35 



mormoniim 26: 50 



nickliniana 7: 71, 25: 71 



ramentosa 11 : 54 



stearnsiana 3 : 35 

 Ariolimacinae 11: 139, 12: 47 

 Ariolimax, 6 : 69, 9 : 1 11 , 11 : 139 



californiciis 4: 7, 5: 31, 5: 56, 11: 

 139, 17: 9 



coliimbianiis 5: 92, 11: 139. 14: 71, 

 14: 124, 26: 108, 33: 28 



hecoxi 11 : 139 



maculattis 5: 31-2, 11: 139 



niger 5: 32. 17: 9 



steindachneri 14 : 7 1 



straminea 4: 120, 11: 139, 14: 124 



typicus 5:31 

 Ariophanta, 1: 53, 9: 19 



dohertyi 10: 109, 12: 1 



retrorsa 11 : 37 



weyersi 12 : 1 

 Ariophantinae, 9: 18, 11: 131 

 aristata. Lithophaga 12: 84, 27: 143 

 aristatus, Myoforceps 13: 131 

 Ariunculus austriacus 13 : 24 

 arizonensis, Epiphragmophora 10: 76, 



11: 34, 11: 59 

 arizonensis, Helicodiscus 22: 104, 30: 



135 

 arizonensis, Holospira 4: 72, 6: 6, 9: 50, 



11: 108, 24: 71 

 arizonensis, Pallifera 30: 119 

 arizonensis, Philomycus 30: 119 

 arizonensis, Pupa 3: 118-19, 6: 4, 6: 

 100, 9: 116, 10: 42, 10: 143, 11: 117, 

 11: 136 

 arizonensis. Vertigo 19: 130,34: 14 

 arkansaensis, Eurvnia 29: 66, 30: 54, 



31: 118 

 arkansaensis. Mesodon 4: 13, 4: 131, 7: 



35 

 arkansaensis, Micromya 30: 54, 31: 118 

 arkansaensis, Polvgvra 4: 13, 4: 131, 



11: 94, 13: 37. 14: 26 

 arkansaensis, Anculosa 30: 12 

 arkansensis, Mesodon 7: 33 

 Arkansia 25: 97 



wheeled 25: 98, 31: 121. 34: 141 

 armandi. Limicolaria 14: 43 

 armata. Ividia 16: 41 

 armata, Parthenia 9: 72 

 armata. Tudora 5: 32. 5: 34. 8: 23, 



24: 85-6, 24: 88 

 armata, Voluta 34: 131 

 armathwaitensis, Unio 11: 123 

 armatum. Pisidium 19: 84 



armatus, Latiriis 12: 94 



armifera, Gastrocopta 33: 14, 33: 68, 

 34: 29, 34: 63-4 



armifera, Bifidaria 11: 117, 13: 2. 13: 

 36, 13: 58. 13: 70, 13: 143, 14: 10, 

 14: 30, 14: 76, 14: 86. 14: 93, 16: 

 50, 16: 58, 17: 131. 19: 58. 19: 63, 

 19:96, 19: 135,20:35,20: 101,22:9. 

 22: 50, 22: 52. 22: 65. 22: 104. 22: 

 108-9. 23: 52, 23: 94. 25: 116. 25: 

 124. 26: 91-3, 28: 11. 28: 17, 29: 19, 

 29: 89, 29: 91, 30: 66, 30: 72. 30: 

 135 



armifera, Leucocheila 7 : 135 



armifera. Pupa 1: 67, 3: 37-8. 3: 69, 

 95.3: 105,3: 119, 4: 136. 5: 138.6:4, 

 6: 77, 6: 99-100, 7: 33, 7: 69. 7: 

 127, 8: 64. 8: 136. 9: 89. 10: 84, 10: 

 101, 11: 110.22: 110.25:27 



armigera. Angitrema 2: 93, 15: 6, 17: 

 33, 22: 56, 30: 113 



armigera, Bifidaria 22: 56 



armigera, Cornulina 22: 98 



armigera, Helix 2: 64 



armigera, Mesodon 2: 64 



armigera. Planorbis 1: 21. 13: 6 



armigera, Planorbula 2: 2. 4: 114 



armigera, Polvgvra 4: 69, 11: 51, 11: 

 93, 22: 40 



armigera, Segmentina 2: 2, 3: 34, 6 

 137, 7: 69, 7: 128, 9: 128, 8: 138, 13 

 113. 14: 70. 19: 3. 19: 28. 20: 23, 20 

 82, 20: 108, 20: 123-4. 22: 121. 22 

 32. 24: 62. 24: 69. 25: 67. 26: 65. 27 

 54. 28: 9. 29: 93. 29: 124. 30: 31. 31 

 92 



armigerella. Bifidaria 15: 18. 29: 74 



armigerella. Pupa 6: 100 01 



armigerus. Helix 5: 56 



armillata, Chaetopleura 11: 8 



armillata, Terebra 32 : 23 



armillatum, Bittium 16: 41, 22: 136 



arnheimi, Epiphragmophora 10: 70. 11: 

 54, 11: 59 



arnheimi, Scaphella 5:111 



arnheimi, Tonicia 17: 37 



arnheimi, Voluta 5:111 



arnoldi, Columbella 20: 26 



Arnouldia 14: 82 



nahaensis 14 : 82 



aroostookensis. Planorbis 8: 115.8: 126, 

 9: 5. 13: 105. 23: 3. 23: 7, 27: 141 



arrosa, Epiphragmorphora 11: 59. 14: 

 144, 22: 40, 25: 17 



arrosa. Helix 1 : 76. 5: 56. 8: 81 . 11 : 51 



arrosis. Ostrea 18: 61 



arrosum. Pisidium 19: 82 



127 



