THE NAUTILUS. XXXIV. 



PLATE IV. 



1,2. CHIONE GNIDIA B. & S. 



3,4. CHIONE MERID1ONALIS OLDROYD. 



5. AMPULLARIA LATTREI CHAMANA HINKLEY (p. 53). 



6-9. ACHATINELLA LEHUIENS1S MEINECKEI PILS. & COOKE. 



