PLATE XXXV. 



Fig. I. Cerithidea muiata sp. nov. 



2. Drillia roseobasis sp. nov. 



3. Drillia albemarlensts sp. nov. 



4. Lima galapagensis 1:'^. Vi.ov. 



5. Lutricola cognata sp. nov. 



6. Chlorosioma snodgrassi s^. nov. 



7. Chlorostoma snodgrassi sp. nov. 



(560) 



