oe Ae eee eee el 
ia al 
Mollusca’ Pl. 18 
Upper Edge 
Beak or apex 
Lunule 
or antertor edge 
1 
Borders of Lozenge (Vulva Lin:) 
Ligament 
/ Fiulavwm 
Ny | Abdominal impression . 
a | re : 
alt H Did hinge teeth — dieters j 
“Ant hinge teeth =a 
! J ~ Syphonal Scar ies 
Borders of Lozeng 
_ Ligement 
Fidcrum 
Bivalve Shells. 
Fondom, Fublished by Whattater& C’ Ave Marta Lane 1833 
