PLATE 70. 



Platyceras planovolvis sp. no v. 

 Page 259. 



Figs. 1-3. Spiral views three specimens showing variation in size. 



Fig. 4. Umbilical view of a sinistrally coiled specimen. 



Fig. 5. Umbilical view of a larger, dextrally coiled specimen. 



Diaplwrostoma ventricosum (Conrad) 

 Page 261. 



Fig. 6. Lateral view of small specimen. 



Figs. 7, 8. Lateral and spiral views of a large specimen. 



Stropho stylus allani sp. nov. 

 Page 253. 



Figs. 9-15. Spiral views of two small specimens. 

 Figs. 11, 12. Lateral views of the same specimens. 

 Figs. 13, 14. Lateral and spiral views of a large specimen. 

 Fig. 15. Lateral view of a smaller specimen. 



