no 



Index. 



Scalaria 





var. elongata 



71 



papillosus 



86 



communis 



91 



var. Sarniensis 



71 



pusillus 



84 



clathratula 



92 



Tectura 





striatus 



85 



clathrus 



91 



fulva 



82 



tumidus 



84 



Eschriehti 



92 



testudinalis 



82 



umbilicatus 



85 



Trevelyana 



92 



vivginea 



82 



undulatus 



84 



Turtonse 

 Scaphander 



91 



Tellina 



Balthica 



72 



zizypbinus 

 var. elata 



86 

 86 



lignarius 

 var. alba 



104 

 104 



crassa 

 donacina 



72 

 73 



var. Lyonsii 

 Trophon 



Barvicensis 



S6 



Scissurella 





fabula 



72 



99 



crispata 



84 



incamata 



73 



clathratus 



99 



ScroMcularia 



75 



pusilla 



73 



muricatus 



99 



var. curta 

 nitida 



75 

 75 



pygmcea 

 solidula 

 squalida 



73 

 72 

 73 



Syracusanus 

 truncatus 

 Truncatella 



100 



99 



piperata 



75 



tenuis 



72 



Montagui 



91 



prismatica 



75 



Tereoratula 





truncatula 



91 



tenuis 



75 



aurita 



61 



(Turbo) 





(Sigaretus) 



97 



capsula 



61 



dispar 



90 



perspicuus 



caput-serpentis 



61 



subtruncata 



91 



tentaculatus 



97 



(Teredo) 





Turritella 





Skenea 





JS'orvegica 



79 



Hibernica 



92 



costulata 



98 



Thracia 





terebra 



91 



depressa 



90 



convexa 



77 



(Turtonia) 





divisa 



84 



declivis 



77 



minuta 



67 



nitidissima 



91 



distorta 



78 







planorbis 



90 



papyracea 



77 







var. trocbiformis 



90 



var. villosiuscula 



77 







rota 



91 



phaseolina 



77 



Vtriculus 





Solecurtus 





prsetenuis 



77 



hyalinus 



103 



antiquatus 



76 



pubescens 



77 



mammilatus 



103 



candidus 



76 



villosiuscula 



77 



obtusus 



103 



coarctatus 



76 



(Tornatella) 





var. Lajonkaireana 103 



Solen 





fasciata 



104 



truncatulus 



103 



antiquatus 



76 



Trichotropsis 









ensis 



76 



borealis 



97 







legumen 



76 



(Triphoris) 









marginatus 

 pellucidus 

 siliqua 



76 

 76 

 76 



adversus 

 (Triton) 



erinaceus 



98 

 99 



Velutina 



laevigata 

 var. Candida 



97 

 97 



Trochus 





Venerupis 





vagina 





cinerareus 



85 



Irus 



78 



(Sphosnia) 



78 

 75 



cinereus 



84 



Venus 





Binghami 

 (Syndosmya) 



alba 



Clelandi 

 Duminyi 



86 

 85 



aurea 

 cancellata 



74 

 71 



intermedia 

 prismatica 



75 



75 



exasperatus 



exiguus 



granulatus 



85 

 85 

 86 



Casina 

 exoleta 

 fasciata 



70 

 70 

 70 







Grcenlandicus 



84 



gallina 



71 







belicinus 



84 



lincta 



70 



Tapes 





var. fasciata 



84 



oznea 



71 



71 



aureus 



71 



lineatus 



85 



ovata 



decussatus 



72 



littoralis 



85 



Pennantii 



71 



pullastra 



71 



magus 



84 



Sarniensis 



71 



var. oblonga 



72 



Montacuti 



85 



slriatula 



71 

 71 

 71 



var. perforans 



72 



Montagui 



85 



striolata 



virgineus 



71 



millegranus 



86 



verrucosa 



18 m PO 



