230 



FOSSIL SHELLS OF THE CRAG. 



Lamium incisum. 

 * Galeohdolon. 



IRIDE^. 



Marrubium apulum. A woolly va- *Trichonema Bulhocodium 



riety of vulgare. 

 Scutellaria galericulata. 



ELEAGNACE^. 



*HiPPOPHAE rhamnoides. 



POLYGONE^. 



RuMEX maritimus. 



Nemolapathum. 



Polygonum Persicaria (white-flws.) 



Bistorta. 



Fagopyrum. 



Convolvulus. 



CHENOPODEiE. 



Salsola Kali. 

 *Chenopodium hotryodes. 



* maritimum. 



* fruticosum. 



CUPULIFER^. 

 Castanea vesca. 



URTICEiE. 



Parietaria officinalis. 

 *Urtica pilulifera. 

 Humulus Lupulus. 



FLUVIALES. 



Zoster A marina. 

 RuppiA maritima. 



Iris fcetidissima. 



ORCHIDE^. 



Spiranthes autumnalis. 

 LisTERA ovata. 

 Epipactis palustris. 

 Orchis mascula. 



maculata. 



latifolia. 



AMARYLLIDE^. 



*Galanthus nivalis. 

 ^Narcissus poeticus. 

 * Pseudo -narcissus. 



LILIACE^. 



Tulipa sylvestris. 



ASPHODELE^. 



Asparagus officinalis. 

 Scilla autumnalis. 

 Hyacinth us non-scriptus. 



JUNCEiE 



J uncus capitatus. 

 * maritimus. 



DIOSCORE.E. 



Tamus communis. 



Art. V. — On the Fossil Shells of the Crag. By S. V. Wood, 

 Esq., F.G.S.. 



Plevrodon, (new genus.) 



Shell bivalve, inequilateral ; hinge-line curved ; cardinal teeth several ; 

 one large lateral tooth ; ligament external. 



Pleurodon ovalis, Nob. Suppl. PL No. xiii. fig. 1 . 



Nuctda miliaris{?), Degh. Coq. Foss. des Env. de Par. PL 36, fig. 7 — 9, 



Shell ovato-deltoidal, gibbous, smooth, margin entire, 5 — 6 converging car- 

 dinal teeth. Largest diameter ^^ of an inch. 



