Remains in the Oolite Series qfE?igland and France. 251 



no means furnish a constant or well-marked line of distinction 

 between the middle, great, or Bath oolite, and the inferior 

 oolite; and I am decidedly of opinion that in the northern 

 part of Northamptonshire, and throughout Rutland and Lin- 

 colnshire, there is but one thick oolite rock beneath the corn- 

 brash, resting upon brown sandstone which immediately covers 

 the upper lias shale." 



Great Oolite and Forest Marble. 

 In Yorkshire, above and beneath the rocks considered by 

 Mr. Phillips equivalent to the Bath oolite, there are two large 

 deposits of coal, sandstone and shale, containing many fossil 

 plants. In the inferior the following genera are found : Equi- 

 setum, 2 species. — Lycopodites, I. — Thuytes, 1. — Scolopen- 

 drium, 1. — Sphaenopteris, 4. — Neuropteris, 1. — Pecopteris, 2. 

 — Cycadites, 4. — Flabellaria ? 1. In the superior: Equise- 

 tum, 1. — Lycopodites, 1. — Thuytes, 1. — Scolopendrium, 1. — 

 Aspleniopteris, 1. — Sphaenopteris, 4. — Neuropteris, 1. — Pe- 

 copteris, 8.— Cycadites, 4.— Flabellaria? 1. — Phyllites, 1. — 

 and Dicotyledonous Wood. 



Organic Remains of the Great Oolite, — Yorkshire.* 



Plesiosaurus ? 



Plants. 



Millepora straminea (Phil.). 



Retepora ? 



Tubipora or Eunomia. 



Cidaris vagans. 



Echinus gerniinans. 



Mya calceiformis (Phil.). 



Panopaea gibbosa ? 



Psammobia laevigata (Phil.). 



Amphidesma decurtatum. 



Pholadomya acuticostata. 



nana (Phil.). 



— producta ? 



obliquata (Phil.). 



Corbula depressa (Phil.). 

 Isocardia nitida ? 

 — — — concentrica. 



angulata? 



Cardium cognatum (Phil.). 



acutangulum (Phil.). 



— — — scmiglabrum (Phil.). 

 Cardita similis. 



Cytherea dolabra (Phil.). 

 Pullastra rccondita (Phil.). 

 Crassina minima (Phil.). 

 Lucina despecta (Phil.). 

 Trigonia coilala. 



Trigonia conjungens. 

 Modiola imbricata. 



ungulata (Y. & B.). 



Pinna cuneata(Phil.). 

 Cuciillffia imperialis (Bean.). 

 ——— cylindrica (Phil.). 

 — — ■ cancellata (Phil.). 



elongata. 



Nucula variabilis. 



lacryma. 



Perna qnadrata. 

 Gervillia acuta. 

 Avicula Braamburiensis. 

 Plagiostoma cardiiforme. 



interstinctum. 



Pecten lens. 



deniissus (Phil.). 



abjectus (Phil.). 



Lima rudis. 



Ostrea Marshii. 



gregarca? 



sulcifera (Phil.). 



Gryphsea bullata? or gigantea. 

 Tcrcbratula spinosa (Smith). 

 globala. 



intermedia. 



Natica adducta (Phil.). 

 Turbo muricatus? 



♦ Illustrations of the Geology of Yorkshire, p. 149 — 153. 

 2 K 2 



Trocluis 



