A. Malacozoa Ccphalophora. 



Subgenus Pirostoma, von Vest. 



235 



Genus Serrulina, Mousson. 



funiculum, Moiiss. 

 semilamellata, Monss. 

 seiTulata, Midd. 

 sieversi, Pfr. 



Genus Lamellifera, Bttg. 

 vacat. 



Genus P li a e d u s a , A. Ad. 



perlucens, Bttg II v. 6 No. 987 



Faiuilia Succiiieiilae. 



Genus S u c c i n e a , D r a p a r n a u d. 



30* 



