73 



is Anodonta cygnea, Drap. 

 is Unio tenuissimus, Lea. 



is Anodonta trapezialis, Lam. 



is Anodonta lato-marginata. 

 is Anodonta undulata, Say. 



Anodonta rotundatus, Swains, 

 is Anodonta cygnea, Drap. 

 is Anodonta trapezialis, Lam. 



is Anodonta fluviatilis, Lea. 

 Anodonta exotica, Lam. 

 Anodonta gigantea, Spix. 

 Anodonta penicillata, Gray. 

 Anodonta Susannae, Gray. 

 Anodonta radiata, Spix. 

 is Anodonta lato-marginata. 

 Anodonta rugosus, Swains. 

 Anodonta Pennsylvanica, Lam. 

 is Anodonta cygnea, Drap. 

 is Anodonta cygnea, Drap. 

 is Anodonta Wardiana, Lea. 



Anodonta virgata, Conr. 

 Symphynota Woodiana, Lea. 



Anodonta siliquosa, Spix. 



10 



