FROM NORTHWESTERN EUROPE 99 
hinge plate —~ 
broken 
47 
@ 
bh 
Sas 
=e 
10:0 
Fic. 34. Transverse serial sections of Torquirhynchia inconstans (Sowerby). Topotype. 
Kimmeridgian. Kimmeridge Clay. Ringstead Bay, Dorset. (x2). 
