SYNOPTICAL LIST. 



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REMARKS. 



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39 



2S 

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Chenmitzia senistriata, S.Wood 

 — internodula, S. Wood, 1 

 var. ligata. / 

 Odostomia derivata, S. Wood... 



Derivative. 

 Derivative ? 



In the middle glacial of Lound. 

 1" Doubtful whether from the Cor. 

 < Crag or from the Bed of 

 \_ Butley, &e. 



A very doubtful species. 



Derivative ? 



f Backheath ; Southwold ; and, 

 \ according to Mr. Beid, Eunton. 



Derivative ? 

 Derivative. 



Derivative in Bed Crag. 

 Aldeby. 



TBelaugh and "Weybourne; also, 

 ■\ according to Mr. C. Beid, from 

 (_ Buntou. 



("A specimen from the March 

 ■< gravel in the Cambridge Mu- 

 |_ seum. 

 Several specimens from Aldeby. 



Perfect from Belaugh. 





— Naumanni ? von Konen... 



— robusta, A. Sell 





■ — proximo,, Alder 



Assiminea Grayana, Leach 



Hydrobia obtusa, Sandberger... 



— uIvcb, Penn 



Amaura hesterna, S. Wood 



Natica (Arnauropsis) Japo- 1 

 nica ? A. Adams. J 



— helieina var helicifor- "1 



niis, <& Wood J 



— Groenlandica, Beck, 1 



var. declivis. J 

 Adeorbis ? naticoides, 8. Wood 

 Melampusfusiformis, &7Food, "1 

 var. elongatus. J 



BIVALVIA. 



f — edulis, Linn 



Mytilus edulis, var. ungulatus. . . 



— — var. galloprovincialis 

 Sectunculus pilosus, var. in- 1 



subricus, Broc. J 



— var. numinarius, Broc. ... 



Nucula tnrgens, S. Wood 



Lucina crassidens, S. Wood ... 

 Lucinopsis LaJon7cairii,Yajr., "1 



var. subobliqua. J 

 Chama gryphoides, Linn., 1 



var. gryphina. J 



Cardita cordis, Phil 



Cardium Islandicum ? Linn. 



Donax vittatus, Da Costa ...1 

 {anatinus. P. & H.) J* 



Tellina lata, Gmel 



Abra prismatica, Mont 



Mactra ponderosa ? Stimpson . . . 



— arcuata, J. Sow 



Thracia papyracea, Poli 



Pholas intermedia, S. Wood. ... 



The following species should be omitted from the Synoptical List altogether, viz. Troplion Iforvegicus, see p. 7; Pleuro- 

 toma violacea, see p. 20 ; and Pholas dactylus, see p. 49 ; and from the Coralline and Bed Crag columns of the list, Ostrea 

 edulis, see p. 42. 



