i66 



INDEX 



Pisidium sibiricum (144) 



steenbuchii (143) 



ultramontanum (144) 



variabile (142) 



ventricosum (143) 



virgin icum (141) 

 Planaria (83) 

 Planella (120) 

 Planogyra 51 



asteriscus J/, 122 

 Planorbarius (81) 

 Planorbe brun 80 

 Planorbella 81, 85 



campanulatus 90 

 Planorbina 8z, 83, 84 



glabrata 86 

 Planorbis 63, 80, 81, 82, 83, 84, 102, 

 (104), 105 



alabamensis 92 



albus 83, 86, (93), 94 



ammon 88 



andecolus 81 



arcticus g6 



armatus 97 



armiger 97, (98), 99 



armigerus 97, (98) 



bellus (90) 



bicarinatus 81, 84, 8f 



billingsi (95) 



binneyi 87, 88, 89 



boissyi 82 



borealis (93), 94 



brongniartiana 91 



buchanensis 92 



calculus 81 



calliogljptus (92), 93 



campanulatus 81, 85, 90 



carinatus 82 



centervillensis (92), 93 



complanatus 82, 85, 90 



concavus (95) 



contortus 83, 86 



corneus 80, 81^ 83, 84 



cornu-arietis 84 



corpulentus 5/ 



costatus (96) 



crista g6 



cristatus (96) 



declivis 98 



Planorbis defiectus g^ 

 dilatatus 92 

 disjectus 89 

 draparnaldi 94 

 draparnaudi 94 

 elevatus (95) 

 engonatus (87) 

 exacuous 9/, 92, 93 

 exacutus (91) 

 fontanus 82, 86 

 glabratus 86 

 guadeloupensis 81 

 hirsutus pj, 94 

 hispidus 83 

 hornii 89, 90 

 imbricatus (96) 

 lacustris 97 

 lens 91 



lentus (86), (88) 

 libanicus 82, 83 

 limophilus 95 

 lineatus 97 

 lorji 81 



macrostomus (88), 8g, 90 

 major 87 

 marginatus 82 

 megas gi 



multivolvis 82, 85 

 nathorsti g6 

 nautileus (96) 

 nitidus 97 

 obliquus 94 

 occidentalis 89 

 olivaceus 84 

 opercularis 82, 86, g2 

 oregonensis 89, (92), 93 

 parallelus (52) 

 parvus 83, 86, pj", 96 

 planulatus gz, 93 

 rotundatus 82, 86 

 rudentis 90, 91 

 subcrenatus (88), 89, 90 

 traskii 88 



trivolvis 81, 85, 87, 88, 89, 90 

 tumens 88, 89 

 turritus (106) 

 umbilicatellus g6 

 umbilicatus 82, 85, (96) 

 vermicularis gs 



