8 
MARINE SHELLS OF WEST COAST OF NORTH AMERICA 
Micranellum crebricinctum 
Fartulum hemphilli 
Elephantulum carpenteri 
Vermiculum anellum 
Turritella jewetti 
Tachyrhynchus lacteolus 
Tachyrhynchus pratomus 
Littorina planaxis 
Epitonium boreale 
Epitonium greenlandicum 
Trichotropis conica 
Trichotropis costellata 
Trophon beringi 
Trophon multicostata 
Littorina scutulata 
Lacuna unifasciata 
Lacuna v. aurantiaca 
Iselica fenestrata 
Litiopa bombyx 
Alaba jeanettae 
Barleeia haliotiphila 
Barleeia subtenuis 
RANGE TO JAPAN 
Thais lima 
Argobuccinum oregonense 
Barleeia californica 
Alvania cosmia 
Alvania purpurea 
Alvania aequisculpta 
Rissoina coronadoensis 
Truncatella californica 
Truncatella stimpsoni 
Trichotropis insignis 
CIRCUMBOREAL SPECIES 
Turritellopsis stimpsoni 
Tachyrhynchus erosus 
Tachyrhynchus reticulatus 
Littorina gronlandica 
Littorina rudis 
Lacuna glacialis 
Lacuna divaricata 
Lacuna solidula 
Aquilonaria turneri 
LIST OF FAMILIES IN PART II 
Muricidae 
Coralliophilidae 
Epitoniidae 
Janthinidae 
Melanellidae 
Pyramidellidae 
Pterotracheidae 
Carinariidae 
Atlantidae 
Ovulidae 
Cypraeidae 
Triviidae 
Pediculariidae 
Ranellidae 
Cymatiidae 
Seguenziidae 
Triforidae 
Cerithiopsidae 
Cerithiidae 
Trichotropidae 
Caecidae 
Vermetidae 
Turritellidae 
Littorinidae 
Lacunidae 
Fossaridae 
Litiopidae 
Rissoidae 
Rissoinidae 
Anaplocamidae 
Truncatellidae 
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