TAB. XXVI. 
Fig. 
1. Thracia pubescens, p. 259. From Coralline Crag, Sudbourne. 
e, a distorted specimen, probably the young of this species. (Thracia detrun- 
cata, S. Wood. ‘Catalogue of Crag Shells.’) 
2. Thracia phaseolina, p. 260. From Coralline Crag, Sutton. 
c, a short var., or perhaps the young of pubescens. 
3. Cochlodesma complanatum, p. 263. From Red Crag, Walton Naze. 
4. Cochlodesma pretenerum, p. 264. From Coralline Crag, Sutton. 
5. Thracia ventricosa, p. 262. ns Ramsholt. 
6. Thracia inflata, p. 261. 93 Sudbourne. 
