245 



Planogyra asteriscus 5/, 122 

 Planorbarius (Si) 

 Planorbe bruii 80 

 Planorbella Si, 85 



campanulatus 90 

 Planorbiiia 81, 83, 84 



glabrata 86 

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

 (104), 105 

 alabamensis 92 



albus S3, 86, (93), 94 



amnion 88 



andecolus 81 



arcticus g6 



armatus 97 



armiger97, (98), 99 



armigenis 97, (98) 



bellus (go) 



bicarinatus 81, 84, 87 



billingsi (95) 



binneyi 87, 88, 89 



boissyi 82 



borealis (93), 94 



brongniartiana 9I 



buchanensis 92 



calculus Si 



callioglyptus (92), 93 



campanulatus 81, 85, go 



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 



deflect us g4 



dilatatus 92 



disjectus 89 



draparnaldi 94 



draparnaudi 94 



elevatus (95) 



engonatus (87) 



exacuous gi, 92, 93 



exacutus (91) 



Planorbis fontanus 82, 86 



glabratus 86 



guadeloupensis 81 



hirsutus gj, 94 



hispidus 83 



hornii 89, 90 



imbricatus (96) 



lacustris 97 



lens 91 



lentus (86), (88) 



libanicus 82, 83 



limophilus 95 



iineatus 97 



loryi 81 



maciostomus (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, gs, 96 



planulatus gs, 93 



rotundatus 82, 86 



nidentis 90, 91 



subcrenatus (88), 89, 90 



traskii SS 



trivolvis 81, 85, 87, SS, 89, 90 



lumens 88, 89 



turritus (106) 



umbilicatellus g6 



umbilicatus 82, 85, (96) 



vermicularis 95 



virens g^ 



vortex 82, 85 



vulgaris 82 



wheatlej'i 97, 98 



yzabalensis 82, 86 

 Planorbula (97), 98 



armigera 98 



christyi 99 

 Plesiophysa loi 



