THE NAUTILUS, XXVI. 



PLATE VI 1 



1.3 CYPR/EA HIRASEI ROBERTS. ?• OVULA NIPPONENSIS PILS. 



\ OVULA HIRASEI PILS. W. H. TRIVIA EOS ROBERTS. 



5-8. CYPRy^A HUNGERFORDI KlIENSIS ROBERTS. 



