A HISTORY OF DURHAM 



Lima subauriculata (Mont.) 



— Loscombi, Sow. 

 Turionia mlnuta (Fab.) 

 Astarte sulcata (da Cost.i) 



var./i-o/iV<;(Mat.and Rac.) 



— compressa (Mont.) 

 Ctf>rina islandica (Linn.) 

 Lucina borealis (Linn.) 

 Thyasira Jlexuosa (Mont.) 

 Mmtacuta substriata (Mont.) 



— bldentata (Mont.) 

 Tellmya fuirugimm (Mont.) 

 Kellia suborbicukris (Mont.) 

 Lasaa rubra (Mont.) 

 Syndosmya prismatUa (Mont.) 



— niuda (Mull.) 



— alba (Wood) 



? — tenuis (Mont.) 

 Scrobicularia plana (da Costa) 

 Tellina crassa (Gmelin) 



— tenuis, da Costa 



Teltina fabula, Gron. 

 Donax vittatus (da Costa) 

 Mactra stultorum, Linn. 

 Spisula solida (Linn.) 



— elliptica (Brown) 



— subtruncata (da Costa) 

 Lucinopsis undata (Penn.^l 

 Dosinia exoleta (Linn.) 



— lupina (Linn.) 

 Venus fasciata (da Costa) 

 — • cosina, Linn. 



— ovata, Penn. 



— gallina, Linn. 

 Tapes firgineus (Linn.) 



— puUastra (Mont.) 

 Cardium echinatum, Linn. 



— fasciatum, Mont. 



— nodosum, Turton 



— eduk, Linn. 



Lrevicardium norve^cum (Speng.) 

 Psammobia tellinella, Lamk. 



Psammobia ferroensis (Chemn.) 



— depressa, Penn. 

 Mya arenaria, Linn. 



— truncata, Linn. 

 Corbula gibba (Olivi) 

 Cultcllus pellucidus (Penn.) 

 Ensis ensis (Linn.) 



— siliqua (Linn.) 

 Panopca norvcgica (Speng.) 

 Saxicava rugnsa (Linn.) 



— arc tic a (Linn.) 

 Bar-nea Candida (Linn.) 

 Zirfiea crispata, Linn. 

 Xylopkaga dorsalis (Turton) 

 Lyonsia norvegica (Chemn.) 

 Cochlodesma pratcnue (Pult.) 

 Thracia fragiUs, Penn. 



var. t'illosiuscula, Macg. 



— convexa (W. Wood) 



— distorta (Mont.) 

 Cuspidaria cuspidata (Olivi) 



SCAPHOPODA. 



DentaRum en talis, Linn. 



GASTROPODA {Whelks, winkles, &c.) 



\. PROSOBRANCHIA 



Patella depressa, Penn. 



— vulgata, Linn. 

 Helcion pellucidus (Linn.) 



var. lazis, Penn. 

 Acmaa testudinalis (Mall.) 



— virpnea (MuU.) 

 Puncturella noachina (Linn.) 

 Emargtnula fissura (Linn.) 

 Eumargarita hclicina (Fab.) 

 Gibbula magus (Linn.) 



— tumida (Mont.) 



— cineraria (Linn.) 

 Calliostoma montagui, W. Wood. 



— miliare (Broc.) 



— xixyphinus (Linn.) 



— occidentale, Migh. 

 Lacuna divaricata (Fab.) 



— parva (da Costa) 



— pallidula (da Costa) 

 Litlorina neritoides (Linn.) 



— rudis (Maton) 



— obtusata (Linn.) 



— liltorea (Linn.) 

 Rissoa inconspicua. Alder 



— parva (da Costa) 

 Alvania reticulata (Mont.) 



— punctura (Mont.) 

 ManTonia costala (J. Adams) 

 Onoba striata (J. Adams) 

 llynia vitrea (Mont.) 

 Cingula lemislriata (Mont.) 



Paludestrina stagnalis (Raster.) 

 Jeffreysia diaphana (Alder) 

 Skenea planorbis (Fab.) 

 Capulus hungaricus (Linn.) 

 Trivia curopaa (Mont.) 

 Natica pallida, Brod. and Sow. 



— catena (da Costa) 



— alderi, Forbes 



— montagui, Forbes 

 Amauropsis islandicus (Gmelin) 

 LamcUaria perspicua (Linn.) 

 Velutina lavigata (Penn.) 

 VelutellaJlexHis (Mont.) 

 ^cala turtonis (Turton) 



— trevelyana (Leach) 

 Odostomia conspicua. Alder 



— «(«;'(2V«/<«/<3, Forbes and Hanlcy 



— turrita, Hani. 

 Brachystomia ambigua (Maton and 



Rack.) 

 Ondina divisa (J. Adams) 

 Pyrgulina indistiucta (Mont.) 



— inlerstincta (Mont.) 

 Spiralinella spiralis (Mont.) 

 Pyrgoslclis interrupta (Totten) 

 Eulimrlla scilltt (Scac.) 



— commutata, Monterosato 

 Eulima intermedia. Cant. 



— incurva (Ren.) 



— gracilis, Forbci 



— bilineata (Alder) 



88 



^tilifer turtoni (Turt.) 



Ciecum glabrum (Mont.) 



Turritella communis, Lamk. 



Trichotropsis borealis, Brod. and 

 Sow. 



Aporrhais pes-pelecani (Linn.) 



Buccinum undatum, Linn, 

 var. Uttoralis, King 

 var. striata, Penn. 

 var. fielaffca. King 

 var. magna. King 



Liomesus dalei (J. Sow.) 



Neptunea antifua (Linn.) 



Volutopsis norcegitus (Chem.) 



Beringius turtoni (Bean) 



Tritono/usus gracilis (da Costa) 



— propinquus (Alder) 

 Buccinofusus bcrniciensis (King) 

 Trophon barvicrtisis, Johnst. 



— truncata, StrOm 

 Purpura lapillus (Linn.) 

 l^assa incrassata (StrOm) 

 Bela turricula (Mont.) 



— trevelyana (Turt.) 



— riifa (Mont.) 

 Mangilia costata (Don.) 



— brachystoma (Phil.) 

 Teretia anccps (I'.icJnv.) 

 Clathurella Icufroyi (Mich.) 



— linearis (Mont.) 



