8 
MARINE SHELLS OF WEST COAST OF NORTH AMERICA 
RANGE TO JAPAN 
Chlamydochiton amiculatus Lepidochitona marmorea Natica clausa 
Cryptochiton stelleri Lepidochitona submarmorea Natica janthostoma 
Haliotis kamtschatkana Margarites sordidus Solariella peramabilis 
RANGE TO PHILIPPINES 
Lepidopleurus belknapi 
LIST OF FAMILIES IN PART III 
Volume II, Part III contains the following families: 
Cerithiidae 
Synceratidae 
Turbinidae 
Trichotropidae 
Capulidae 
Liotiidae 
Caecidae 
Hipponicidae 
Trochidae 
Vermetidae 
Calyptraeidae 
Vitrinellidae 
Turritellidae 
Crepidulidae 
Scissurellidae 
Littorinidae 
Naticidae 
Haliotidae 
Lacunidae 
Vanicoroidae 
Fissurellidae 
Fossaridae 
Lamellariidae 
Lepidopleuridae 
Litiopidae 
Velutinidae 
Lepidochitonidae 
Rissoidae 
Lepetidae 
Ischnochitonidae 
Rissoinidae 
Acmaeidae 
Chitonidae 
Anaplocamidae 
Cocculinidae 
Cryptochitonidae 
Truncatellidae 
Phasianellidae 
Mopaliidae 
[ 610 ] 
