CONCHYLIA— D/THFE^. 



SYNOPSIS 



A. 



Idgamentum nullum. 



Without permanent ligament. 



B. 



Ldgamentum externum. 

 Ligament external. 



■ Cardo edentulus. 



Hinge without teeth. 

 ^ Cardo dentibus primariis, lateralibus nullis. 



Hinge with primary teeth, but no lateral ones. 

 '~ Cardo dentibus primariis et lateralibus. 



Hinge with both primary and lateral teeth. 



C. 



Ligamentum internum. 

 Ligament internal. 



Cardo edentulus. 

 Hinge without teeth. 

 Cardo dentibus primariis, lateralibus nullis. 

 Hinge with primary teeth, but no lateral ones. 

 Cardo dentibus primariis et lateralibus. 

 Hinge with both primary and lateral teeth. 



