30 Bastoir mui Gatliff: New Species of Chiton. 



Fig. 8. — Median valve, dnrnal aspect. 



Fig. 9. — Median valve, ventral aspect, showing gi-ooves and 



punctures, also the jagged denticulation of ^lit 



and insertion plate. 

 Fig. 10. — Posterior valve, dorsal aspect. 

 Fig. 11. — Posterior vajlve, ventral aspect, with peculiar grooves 



in eaves, and denticulation. 

 Fig. 12. — Anterior and aspect of median valve, showing dorsal 



angle and pectination of sinus. 



All the fijTfure^^ are considerablv enlarired. 



