PLATE XII. 



Figure 1. Conoclypeus Sindensis, Duncan and Sladen (page 51). The test, from below., natural 

 size. 



2. An end of an ambulacrum, slightly magnified. 



3. The ornamentation of the test, magnified. 



4. Part of an ambulacrum, high up, magnified. 



5. A specimen of a Conoclypeus (?) (page 52), side view, natural size. 



6. Its periproct, natural size. 



7. Conoclypeus declivis, Duncan and Sladen (page 53) . The test, natural size. 



8. PiiYLLOCLYPEUs (Dc Loriol's genus), species unknown (page 54). Phyllode, magnified. 



