UPPER EOCENE (bAKTON AND UPPER BAGSHOT FORMATIONS). 625 



Invertehrata (continued). 



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Pleurotoma pupa, Edw 



§turgiclula, Edw 



§curta, Edw 



scabriuscula, Edw 



verticillum, Edw 



constricta, Edw 



bracheia, Edw , 



rotella, Edw , 



granulata, Lam , 



conoides, Sol 



biconus, Edw 



helicoides, Edw , 



aspera, Edw 



tmixa, Edw 



gentilis, Sow 



denticula, Bast., var. odontella, 



Edw 



callifera, Edw 



vdoxiQYmo., Edw 



varians, Edw 



lima, Edw 



reticulosa, Edw 



cedilla, Edw 



tpuella, Edw 



turbida, Sol. 



zonulata, Edw 



prisca, Sol 



' subfilosa, Edw 



Daphnella sulcata, Edw 



semicostata, Edw 



lineata, Edw 



citharella, Lam 



Terebra plicatula, Lam .... 



(and 5 other species). 



Strombus bartonensis, Sow 



Rostellaria excelsa, G ieb. ? 



ampla, Sol 



Rimella canalis, Lam 



rimosa, Sol. 



Terebellum sopitum, Sol. 



fusiforme. Sow 



Murex asper, Sol 



bispinosus, Sow 



tripteroides. Lam 



defossus, Pilk 



crispus, Lam 



subrudis, D'Orb 



minax, Sol 



obtusus, Ifesk 



raricostatus, Desk 



§ These species occur in the Barton Beds at Alum Bay only. 



2t2 



