PLATE VI. 



Fig. 1. Haepoceeas, sp. Polyphemas-limestone, Mazar Drik, Side view. 



Fig. 2. SPHaiEOCEEAS BULLATUM, d'Oibigny sp. Polyphemus-limestone, Mazar Drik. Side view. 



Fig. 2a. SpHa)9.ocEEAS bullatum, d'Oibigny ep. Polyphemus-limestone, Mazar Drik. Front view. 



