^lOELLENDORFF : LAND SHELLS OF CAROLINE ISLANDS. 



123 



Genera and 



Subgenera. 



Mariannes. 



Pelews. 



Carolines. 



Pythia 



lecithostoma, 

 pyrarnidata 



acuta 



Cassidida 



pMlippinarum, 

 qiuidrasi, 

 compada 



pMlippinarum 



Auricula 



auricclla 



