246 



INDEX 



Pleurocera 116 



canaliculata nb 

 Pleurolimnsea (60), 63, 64 



tenuicostata 60 

 Plumularia 206 



calif or nica (206) 



lagenifera 177, 206 



palmeri 177, 206 

 Poeyia (108) 



gundlachioides 108 

 Polita (39) 



fulva (40) 

 Polygyra 24 



albolabris 26 



columbiana 24, 34 



devia 24 



germana 23, 26 



labiosa (24) 



megasoma 26 



monodon 26 



ptjchophora 25 



santacruzensis 24 



townsendiana 25 

 Polygyrus (83) 

 Polyrhytis (61), 63, 64 

 Pomatiopsis 119 



lapidaria 119, (120) 

 Pompholyx 63 

 Primella raymondi (139) 

 Pristiloma 44 



arctica 45 



idahoense 44 



lansingi 44 



pilsbryi 44 



stearnsi (44), 45 



stearnsii 44 



taylori 44 

 Prophysaon 46 



andersoni 46 



cceruleum 41 



dubium (47) 



fasciatum (47) 



flavum (46) 



foliolatum 47 



hemphilli (46), 47 



humile 47 



marmoratum (46) 



obscurum (47) 



pacificum (46) 



Prophysaon pallidum (46) 



suffusum (46) 

 Proptera alatus (127) 

 Protancylus 109 

 Pseudohyalina minuscula (43) 



pugetensis (43) 

 Pterosygna 131 

 Pulmobranchia 101 

 Punctum jj 



asteriscus 53 



conspectum 10, Jj 



minutissimum (53) 



pugetensis (43) 



pygmaeum j-j 



randolphi 53 

 Pupa alticola (54) 



arctica (32) 



armifera (27) 



badia (28) 



bigranata (28) 



blandi (28) 



columella (54) 



contracta (27) 



corpulenta (29) 



costulata (21) 



decora (29) 



edentula (54) 



exigua (116) 



gouldii (30) 



gredleri (54) 



holzingeri (28) 



hoppii (29) 



lundstromi (28) 



milium (32) 



modesta (29) 



pentodon (28) 



pygma;a (33) 



signata (28) 



simplex (54) 



steenbuchi (29) 



superioris (33) 

 Pupidae 27 

 Pupilla 28 



badia (28), (29) 



blandi 28 



muscorum 28, (29) 

 Pyramidula 49 



alternata 4Q 



