INDEX 



237 



Bifidaria armifera 27 



contracta 27 



holzingeri 28 



pentodon 28 

 Bornia 141 

 Brachyspira (55) 

 Brondelia 109 



drouetiana 109 

 Buccinum palustre 62, (76) 



truncatulum 62, (72) 

 Bulimtnus obscurus 41 

 Bulimnea (60), 63 



megasoma 67, 70 

 Bulimulus pilula 79 

 Bulimus (104), 105, (115) 



harpa (21) 



hypnorum (106) 



lubricoides (33) 

 Bulinus (100), (101), (104), 105, 107 



hordaceus (104) 



hypnorum 107 



perla 105 



pictus 107 



senegalensis 105 



turritus 105 

 Bulla (104) 



fontinalis 99, 100 



hypnorum 104, 105, (106) 



turrita (106) 

 Bullinus (100), (104) 



fontinalis loo 



turritus (106) 

 Bythinella obtusa 118 

 Bythinia 105 



Caillaudia (81) 



angulata 81 

 Calycella 194 



syringa 177, /9^-/9JT 

 Campanularia 189 



caliculata (188) 



compressa (188) 



crenata (190) 



denticulata 177, 189 



gracillima (195) 



grandis 191 



lineata 177, 189 



reduplicata 177, 190, 218 



regia 177, 190, 220 



Campanularia ritteri 177, 189, 216 



serpens (197) 



speciosa 177, 189-190, 218, 220 



urceolata 177, 190, 218 



verticillata 177, 189 

 Campanulina 194 



rugosa 177, 194, 224 

 Campeloma 124 



decisum 124, 125 

 Carinifex 63 

 Carychium 7/5, 116 



exiguum 115, 116 



exile 116 



minimum 115 

 Cepaea hortensis (20) 

 Chilostoma (22) 

 Chlamydea 36 

 Choanomphalus 62 

 Cincinna (120) 



Cincinnatia cincinnatiensis 118 

 Cionella lubrica (33) 

 Circinaria (22), 33 



chocolata 34 



hemphilli 35 



hybrida jj 



sportella 34, 35 



vancouverensis 25, j^, (35) 



voyana 35 

 Circinariidae 33 

 Clytia 188 



caliculata 177, 288, 216 



compressa 177, 188, 216 



integra 188 

 Cobresia (35), 121 

 Cochlicopa 33 



lubrica j"j 

 Cochlohydra (55) 

 Complanaria gigas (131) 

 Concinna (120) 

 Conulus (39) 



alaskensis 41 



arcticus (45) 



chersinus (41) 



fulvus (40), (41) 



trochiformis (41) 

 Coppinia arcta 175 

 Coretus (80), (81), 83 

 Corneocyclas 3, 134, 141 



abdita 142, 143, 145 



