306 



CRKT A ( ' HOC S LA^IE [ J JBE AXC ITTA. 



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Fig. 



Ii2 — Jnocei-nnius umluhito-pUrntiis var. diqitatus. SchUit. Z..no of 3/io-asf.T ,-oi-an,j<il,nnn. Suowclown 

 Ci)llii>ry Shalt. Noniujjton, near Diivcr. British Museum, N". LliosU (.liscoverea and presented by 

 Dr. Malcolm Burr). Cast of part of left valve, x J. 



