40 



Cardinal teeth contiguous to the anterior side. 

 Solen vagina Solen vaginoides 



corneus siliqua 



Solen ensis 



Cardinal teeth somewhat distant from the anterior 

 side. 



Solen pygmaeus Solen cultellus 



ambiguus planus 



Solen minutus. 



Cardinal teeth (or hinge) nearer the middle than 

 the anterior side. 



Solen legumen Solen constrictus 

 Dombeii coarctatus 



Javanicus strigilatus 



Caribaeus radiatus 



antiquatus violaceus 



Solen rostratus. 



