PLATE XV. 



Fig. 1. Nekinea ganesha, sp. nov., front, cast. 



Fig. 2. Nerinba ganesha, sp. nov., back ; with partly preserved shell, reduced to f size. 



Fig. 2a. „ „ „ 



Fig. 3. Ceeitbiom vishnu, sp. nov., back. 



Fig, 4. Cbeitbium bdddha, sp. nov., back. 



Fig. 5.' Cebithium buddha, sp. nov., front. 



