228 COCKERELL: specimens in the BRITISH MUSEUM. 



Trophon barvice?isis. 



Chrysodomus \Fiisus\ turtoni. 



Chrysodomus norvegicus (with 

 egg -capsule on valve of Mytilus 

 modiolus. 



Chrysodomus gracilis. 



Chrysodo??ius propinquus. 



Lioviesus \Buccinopsis^^ dalei 

 (with egg-capsules). 



Buccinum undaliwi, vars. 



Marsenia [ Velutina] fiexilis. 



Natica inojilagui. 



Natica o-roenlandica. 



Northumberland. 



Natica islandica (one, broken). 

 Scalar ia trevelyana. 

 Litter ilia literal is. 



Acfjma virgin ea. 

 Patella vulgata var, 



athletica. 

 Chiton Icevis. 

 Pupa anglica \ringens\ 

 Pupa muscorum \j?iargi?iata\ 

 Vertigo antivertigo. 

 Planorbis glaber [parvus]. 

 Scrobicularia piperata. 

 Moutacuta substriata. 



Odostomia ujiidentata. 

 Odostomia intersti?icta. 

 Eulima bilineata. 

 Littorina neritoides. 

 Lacuna pallidula. 

 Rissoa parva var. interrupta 

 Rissoa pu7ictura. 

 Rissoa inconspicua. 

 Trochus helicinus. 



Sunderland, 



Patina \Helcio7{\ pellucida var. 

 Icevis. 



Chiton cinereus. 

 Chit 071 ruber. 

 Chiton fascicular is. 

 Phili7ie scabra. 

 Cylich)ia cylindracea. 

 Atys [Bulla] ntriculus. 



Chrysodojnus gracilis. 



JVatica cate7ia. 



Odosto7nia rissoides. 



Littori7ia 7'udis^ and vars. te7ie- 

 hrosa and saxatilis. 



Littorina litoralis. 



Rissoa seniistriata. 



Trochus 77io7itagui. 



Act7icea [Tectura\ testudinalis. 



Chitoji ruber. 



Chiton fascicularis. 



Aplysia pufictata. 



Helix horte7isis [ooooo and 

 lutea (123) (45)]. 



LLelix virgata. 



Helix hispida [all the co?ici7t?ia 

 are united with hispida in the 

 Museum as one species]. 



Helix sericea [granulata]. 



Scarborough. 



Helix fusca. 

 Helix aculeata. 

 Helix lar/iellata. ' 

 Hyalinia excavata. 

 Hyali7iia 7iitidula var. helniii. 

 Vertigo pusilla. 

 Vertigo substriata. 

 Lit7incea auricularia var. [shaped 

 like rather elongate L. pe7'egra]. 

 Lini7icsa peregra var. si7iistrorsa. 

 Linuicea peregra var. [Ii7ieata]. 



Liinncea gluti7iosa. 

 Pla7iorbis /lautileus. 

 Pisidiuni ci7iereui7i. 

 Pholas crispata. 

 Mya truncata. 

 Mya are7iaria. 

 A7io7nia aculeata. 



Naturalist, 



