PRKSTWICE' CRAG-BEBS OF SITPPOLK AND NOEPOLK. 



123 



with magnificent specimens of Cyprina islandica, Mya truncata, 

 Panopcea Faujasii, various species of Astarte, Cardita, Verms, and 

 other shells. These beds belong to the zone d *. 



At Low Gedgrave, there is a shallow pit near the farm-buildings, 

 showing a section composed of layers of comminuted shells with 

 irregular seams of shelly limestone and sand, in which a number of 



* As showing the importance of keeping each stratum separaie, I give two 

 special lists of specimens collected by my friend the late Dr. Woodward during 

 a residence of some weeks in the district. In the one case (Broom Hill) the 

 fossils of zone d (including parts of e), and in the other (Gomer) those of zone/, 

 thus appear as distinct groups. 



Coralline Crag. 



Keeper' s-Lodge pit, Broom Hill (near Orford). 



(Bivalves abundant ; univalves comparatively scarce 

 ward, from specimens collected in 1863.) 



Cyprrea europfea. 

 Buccinimi undatum. 

 Turritella incrassata. 



Authoritv, S. P. Wood- 



Scalaria subulata. 



clathratula. 



Eissoa crassistriata. 

 Cfficmn mamillatum. 

 Trochus zizy]>hinus. 



formosus. 



Margarita trochoidea. 

 Adeorbis striata. 

 Natica proxima. 

 Calyptrsea chinensis. 

 Emai'gimda fissura. 

 Fissurella grseca. 



Anomia ephippium. 



striata. 



Ostrea edulis. 

 Pecten maximus. 



1 Gerardii. 



tigrinus. 



pusio. 



opercularis (very abundant). 



Lima Loscombii. 



Pinna pectinata. 



Mytilus hesperianus. 



Crenella sericea. 



Pectunculus glycimeris (abundant). 



Limopsis aurita. 



Nucula nucleus. 



Leda semistriata. 



Lueina crenulata. 



borealis (abundant). 



Diplodonta rotundata. 

 Lucinopsis Lajonkairii. 

 Verticordia cardiiformis. 

 Cardium strigilliferum. 



decorticatum. 



Cardita senilis (abundant). 

 scalaris (abundant). 



Cardita orbicularis. 



corbis. 



, var. 



Astarte Basterotii. 



mutabilis. 



Omalii (very abundant). 



gracilis. 



Burtinii. 



Cyprina islandica (very abundant). 



rustica. 



Cytherea chione. 



rudis. 



Venus imbricata. 



casina (abundant). 



■ • ovata. 



Psammobia ferroensis. 

 Tellina obliqua. 



donacina. 



Mactra arcuata. 

 Solen ensis. 

 Thracia inflata. 



ventricosa. 



Corbula nucleus. 



Mya truncata. 



Panop^a Faujasii (abundant). 



Glycimeris angusta. 



Lingula Dumortieri. 



Terebratula grandis (abundant). 



Spirorbis. 

 Balanus crenatus. 

 Blumenbachium globosum. 

 Fascicularia, sp. 



tubipora. 



Cladocora cariosa. 

 Turbinolia Milletiana. 



Echinus Woodwardi. 

 Spatangus. 

 Discoporella. 

 Heteropora pustulosa. 



