Dr. FiTTON on the Strata below the Chalk. 203 



Ammonites Mantellii i A variety without tubercles. Western Lines. Sandrock near 



Niton. 



J: Seliguinus. East End. 



^ varians. East End. Bonchurch. Grey chalk marl. Western Lines. 



Bekmnites. Western Lines. 

 Cardium. Western Lines. 

 Cucullcea glabra. Western Lines. 



C decussata ? Western Lines. 



Exogyra undata. Western Lines. 

 Grt/phcea canaliculata. Western Lines? 



G vesiculosa. East End and Western Lines. 



Nautilus compressus. Western Lines ? 



Pecten orbicularis. East End : some specimens very large. 



P quadricoslatus. East End. Western Lines. 



Plagiostoma Hoperit Western Lines. 



Plicatula inflata. Western Lines. 



Siphonia Websterii. Parkinson, Int. Org. Rem. Western Lines. Figured by Mr. 



Webster, Geological Transactions, 1st Series, vol. ii. pi. 27 — 30. 

 So/anM7« conoideum. Pl.XLf. 14. Western Lines. 



S ornatum. PI. XI. f. 13. Western Lines. 



Spatangus. Near the Sandrock Spring. 

 Terebratula depressa ? Western Lines. 



T pisum. Western Lines. 



T (new). Western Lines. 



Trochus. Western Lines. St. Boniface. Upper Green-sand, or Chalk Marl. 



Turrilites tuberculatus. Near Bonchurch. 



Venus ? Western Lines. 



Vermetus umbonatus. {Vermicularia umbonata, Min. Con.) Western Lines. Large 



specimens ? 

 V polygonatus. Bonchurch and Ventnor Cove. 



\Gault.'\ 



Ammonites Seliguinus (syn. A. Beudantii.) East End. 



Gryphcea. East End. 



My a mandibula. East End. 



Pecten orbicularis. Compton Bay : In harsh gritty Gault. 



P quinquecostatus : Compton Bay. 



Fishes. Obscure impressions of. East End. 



Plants. Fucoides Targionii. (Ad. Brongniart, " Vegetaux Fossiles," PI. IV. fig. 6.; 

 and Mantell, " S. E. of England," p. 1 66.) East End. 



