298 ANOMIA. 



little exceeds the length ; it is blackish brown, slightly 

 clouded with greenish white, has rather a bronzed appear- 

 ance, and is somewhat iridescent towards the margin ; the 

 valves are striated and wrinkled in the same manner as those 

 of Anomia Placenta, which by many Conchologists, is sup- 

 posed to be the same species in a still earlier stage of growth 

 than the Ephippium parvum df Chemnitz. 



