Dr. FiTTON on the Strata below the Chalk. 259 



Inoceramus sulcatus. Vale of Wardour. 



Natica. Two indistinct specimens, probably of different species. Vale of War- 

 dour. 



Nucula pcctinata. Crockerton. 



Pecten orbicularis. Crockerton. 



Pectunculus umbonatus. Ridge. Crockerton : bottom of the clay. 



Pentacrinus, io\ni% of. PI. XI. fig. 4. Vale of Wardour: same species as at Folk- 

 stone. 



Plagiostoma elongaium. Ridge. 



Rostellaria carinata. PI. XI. fig. 19. Ridge. 



Serpula. Crockerton : filled with phosphate of lime, in clay. 



Solarium conoideum. PI. XI. fig. 14. Vale of Wardour : preserves its iridescence. 



S ornatum. PI.XI. fig. 13. Vale of Wardour : probably from Ridge. 



Terebratula ovata ? Crockerton : in pyrites. 



T . Ridge : in a Septarium of phosphate of lime, with thin veins of calca- 

 reous spar. 



Trigonia al(Eformis. Vale of Wardour : below Fovant ? in clay, with numerous 

 green particles. 



Venericardia tenuicosta. PI. XI. fig. 7*. Vale of Wardour : in Crockerton. 



Venus parva? (See Ci/therea.) 



Fish. Teeth: Vale of Wardour. Vertebrae and rays : Ridge. 



[^Purbeck Strata.^ 



Cardium ? Castleditches : Purbeck (or Portland ?) stone. 



Corbula ? Between Dallard's Farm and Catherine Ford : with Cyclas. 



Cyclas angulata. PI. XXI. fig. 12. Between Dallard's Farm and Catherine Ford : 

 with Ci/pris granulosa, PI. XXI. fig. 4. in slaty Purbeck stone; with Corbula 

 and Ostrea. Lane above Benston, near Chicksgrove : with Cypris and Modiola. 



C elongata. PI. XXI. fig. 9. TefFont : with Cyclas membranacea. 



C major ? Between Dallard's Farm and Catherine Ford. Purbeck ; — or Has- 

 tings sand ? 



C media. PI. XXI, fig. 10. Between Dallard's Farm and Catherine Ford : in 



slaty limestone; some specimens of which are almost composed of this shell. 

 Dashlet, between TefFont and Penthurst, with Cypris. Ladydown Tile-pits, 

 composing nearly the whole of the slaty stone. Between Ham-cross and Chicks- 

 grove, with Q/j9r25 Ffl/c?e«5?5. Fovant Wood. Tefibnt : in slaty limestone, ap- 

 parently the top of the Purbeck, with Cypris Valdensis. 



C media : A gibbose variety ; as at Penhurst, near Battle in Sussex, {supra, 



p. 177.) PI. XXI. fig. 11. Vale of Wardour, with Cypris Valdensis. 



C membranacea. Teffont : with Cyclas media and Ostrea. 



C parva'i. PI. XXI. fig. 7. Between Ham-cross and Chicksgrove : with Cypris 



and Paludina elongata. Dallard's Farm, where many of the Cyclas casts are full 

 of the valves of Cypris. 



