122 



PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 



Table {continued). 



MoUusca of the Barton Clay. 



Range of species. 



London area. 



Voluta (Strombus, Br.) athleta, Sow. ... 



costata, Brand 



depauperata, Sow 



— humerosa, Edw 



digitalina, Lam. (V. scabricula, 



Brand. ; V. lima, Soiv.) 



luctatrix, Brand 



maga, Edw. (Magorum, Sow.) 



nodosa, Sow 



scalaris. Sow 



Solandri, Edw. (Strombus luctator, 



Brand., fig. 65) 

 suspensa, Sow 



Volvaria acutiuscula, Sow. 



Lamellibranchiata. 



Area appendiculata. Sow 



barbatula, Lam 



Branderi, Sow 



duplicata, Sow. (A. lactea, Brand.) 



B. 



Capsa tenera, Edw. 



Cardilia radiata, Sow 



Cardita acuticosta, Lam. (V. carinata, S.) 



deltoidea, Sow 



oblonga, Sow 



(Chama) sulcata, Brand. (V. cor- 



avium, Lam. ? ; V. globosa, Sow.)... 



Cardium discors, Lam. 



-ponAosnm, Brand 



turgidum, Brand 



var. semigranulosum. Desk. 



Chama squamosa, 5r.(C.turgidula,Zaw.) 

 Clavagella.coronata, Desk 

 Corbula costata, Sow. (C. revoluta, Sow.) 

 Ficus, Brand. (Solen, Brand. ; C 



umbonella, Desk.) 



gallica, van, Lam 



Pisum, Sow 



striata, Lam — 



Crassatella piicata. Sow 



sulcata, Sow. (C. lamellosa, Lam.) 



tenuisulcata, Edw 



Cj'pricardia pectinifera, Sow. (Venus, S.) 



* 



* ? 

 * 



Paris area. 



C. 



*.'' 



*.-' 



* 



Belgian 

 area. 



D. 



*? 



* 



