IXOCERA.MUS. 



325 



FiCi. SI. — Innrer'unns LumarH-i var. Ciivieri, Sow. Tlie oriu-inal of /. Cuvii'ri. Maiiti41, ' Foss. S. Downs,' j). 213, 

 pi. .\xviii, tii^. 1. Zone of ^Ji'-Tfry^er coj'-a/(^uintu» of Soiitli'Tain. JJriti.sh ^lustniin, Xo. 5845. x \. 



Fio. 85.— I/iotf.«iiiKS Lomarcki, Park. Upper Chalk (? zone of Holaster planus), locality unknown. 

 Museum of Practical Geoloity, Xo. 21237. Variety with concave anterior area. Right valve and 

 anterior view, x J. 



