INDEX 



245 



Planogyra asteriscus //, 122 

 Planorbarius (81) 

 Planorbe brun 80 

 Planorbella 81, 85 



campanulatus 90 

 Planorbina 81, 83, 84 



glabrata 86 

 Planorbis 63, 80, 81, 82, 83, 

 (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, 8^ 



bilHngsi (95) 



binneyi 87, 88, 89 



boissyi 82 



borealis (93), 94 



brongniartiana 91 



buchanensis 92 



calculus 81 



calliogljptus (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 8^ 



costatus (96) 



crista g6 



cristatus (96) 



decHvis 98 



deflectus g^. 



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 pj, 94 



hispidus 83 



hornii 89, 90 



imbricatus (96) 

 \, 102, lacustris 97 



lens 91 



lentus (86), (88) 



Hbanicus 82, 83 



limophilus 95 



lineatus 97 



lory! 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 g2, 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 g^ 



virens g^ 



vortex 82, 85 



vulgaris 82 



wheatleyi 97, 98 



yzabalensis 82, 86 

 Planorbula (97), 98 



armigera 98 



christyi 99 

 Plesiophysa loi 



