Bifidaria 



Index to the: Nautilus 



Bifrons 



Bifidaria, abbreviata 23: 53, 29: 91 

 affinis 23: 53 



agna 20: 141, 23: 94, 29: 91 



armifera 11: 117, 13: 2, 13: 36, 

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

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

 51, 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 



armigera 20 : 1 7 



armigerella 15: 18, 29: 74 



ashmuni 12:49-50, 18: 122,22: 127 



bilamellata 22: 126-7 



calamitosa 33 : 64 



cincinnatiensis 11: 118, 19: 122 



clappi 22: 1, 22: 108, 22: 127, 26: 

 15, 29: 91 



contracta, 11: 117, 12: 50, 12: 128, 

 13: 2, 13: 46, 14: 30, 14: 56, 14: 

 76, 14: 93, 16: 51, 18: 65, 19: 40, 

 19:58,19:63,19: 135,20: 17,20: 

 35, 20: 81, 20: 97, 20: 101, 21: 8, 

 21:76,21: 102-3,22:65,22: 120, 

 23 : 53, 23 : 94, 24 : 92, 25 : 35, 25 : 

 67, 25: 113, 25: 116, 26: 15, 26: 

 17, 26: 19-20, 26: 95-6, 28: 11, 

 28: 17,29: 19,29:89,29:91,29: 

 123, 29: 143, 30: 66, 30: 72, 30: 

 135, 32: 136, 34: 93 



corticaria 11: 117, 14: 56, 19: 58, 

 20: 101,22: 111,25: 113,25: 116, 

 26: 15, 28: 11, 29: 123 



cristata 18: 107, 22: 9, 22: 65, 22: 

 104, 23: 94, 25: 116, 29: 89, 30: 

 135 



curta 11: 118, 19: 122, 



curvidens 11 : 1 18, 14 : 31 , 19 : 58, 



19: 122, 25: 80 

 dalliana 12 : 91 , 13 : 14, 13 : 16, 22 : 



127 



duplicata 25: 116 



eyriesii 19: 78 



floridana 11: 118, 25: 116 



fordiana 11: 117, 23: 94 



gracilis 11: 118, 19: 122-3, 26: 15 



hebes 11: 117, 14: 10 



hemphilli 30: 38, 30: 83, 33: 64 



holzingeri 13: 2, 11: 117, 14: 83, 

 14: 86, 19: 134, 22: 120, 23: 94, 

 25: 116, 28: 81, 29: 19, 



hordacea 11 : 117 



hordeacella 12: 91, 13: 14, 13: 16, 

 14: 10, 14: 74, 14: 86, 19: 130, 



21: 100, 21: 101-4, 21: 76, 22: 9, 

 22:65,22:77,23: 94, 25:92,22: 

 127, 25: 116, 26: 17, 26: 31-4, 

 27: 64, 28: 38, 30: 135, 

 Bifidaria interpres 23: 52 



intuscostata 22 : 76, 22 : 96, 22 : 127 



landurensis 29: 73 



mexicanorum 11: 118, 14: 10 



minor 12: 92, 13: 14, 13: 16 



minuta 29: 105, 29: 123, 30: 84 



montanella 19: 122 



oldroydae 30: 48 



quadridentata 12: 127, 13: 16, 18: 

 122 



parvidens 12: 128, 13: 14, 13: 16, 



18: 122, 26: 81 

 pellucida 19: 39 



pentodon 11: 118, 13: 3, 13: 15, 

 13: 46, 13: 79, 13: 103, 14: 31, 

 14: 64, 14: 74, 14: 93, 14: 103, 

 17: 131. 19: 58, 19: 121-2, 19: 

 134, 20: 101, 20: 141, 21: 68, 21: 

 144, 22: 65, 22: 120, 23: 94, 24: 

 63, 25: 35, 25: 64, 25: 35, 25: 64, 

 25: 75, 25: 116, 26: 15, 27: 96, 

 28: 11, 29: 19, 29: 91, 29: 123, 

 30: 38, 30: 72, 32: 136 



perversa, 12: 90, 13: 14, 13: 16, 

 18: 122 



pilsbryana 11: 118, 12: 128, 13: 

 14, 14: 83, 14: 85-6, 15: 58, 19: 

 121 



pilsbryi 28: 38 



plicidens 16: 75, 29: 73 



procera 11: 117, 12: 50, 14: 10, 

 14:31,14:47,14: 76, 14: 86, 20: 

 35, 21: 8, 21: 77, 22: 104, 23: 

 81, 23: 94, 24: 99, 25: 116, 25: 

 124, 26: 95, 27: 96, 29: 89, 29: 

 91, 30: 66 



rhoadsi 13: 46, 21: 99-100 



ruidosensis 13: 36, 23: 54 



rupieola 11: 117, 13: 46, 19: 39, 

 21: 100-4, 25: 92, 26: 12, 26: 

 18-20, 26: 32, 26: 34, 27: 64 



saxicola 11: 117 



servilis 11: 117, 13: 46, 27: 64 



similis 23: 53 



tappaniana 19: 122, 19: 126, 19: 

 134, 20: 81, 22: 9, 22: 65, 22: 

 120, 23: 94, 24: 92, 25: 116, 25: 

 • 124, 29: 91, 29: 105, 29: 124, 



32: 136 

 tuba 20: 108, 22: 77 

 bifoliata, Cancellaria 16: 101 

 bifoveata, Chloritis 19: 64 

 bifrons, Pholas 2: 34 



136 



