302 



PBOCEEDINGS OF THE GEOLOGICAL SOCIETY. 



Table XYIII. (continued). 



Fossils. 



O 



OQ 



5 



OQ 



SQ 



8 9 10 11 12 13 



^ 



02 



Leptaena laticosta(c) 



Leavensworthana 



obscura 



orthididasa 



patenta 



plicifera 



planumbona 



profunda 



planoconvexa 



recta 



subplana 



subtenta 



sericea 



striata 



tenuilineata 



tenuistriata 



transversalis 



Woolworthana 



sp. ind 



OrtMs sequivalvis 



bellarugosa 



bisulcata 



centrilineata 



crenistria (cl) 



costalis 



dichotoma 



disparilis 



elegantula 



erratica 



fasciata 



fissicosta 



flabellulum 



hybrida 



insculpta 



interstriata 



limitaris 



opercularis, var, semiovalis 



occidentalis 



orbicularis 



pectinella 



var. semiovalis 



plicatella 



pisum 



perveta 



punctostriata 



pyramidalis 



resupinata 



cl? 



HR 



cl 



HR 



cIn 



