916 F. SACCO 
Triptychia mastodontophy la 
Sismd. 
_ emyphyla Sacc. 
Serrulina decemplicata Sacc. 
Marpessa prolaminata Sacc. 
Pyrostoma Portisi Sacc. 
Polloneria pliocenica Sacc. 
Laminifera villafranchiana Sacc. 
Folliculus Polloneræ Sacc. 
Carychium crassum Sacc. 
= minimum Mül]. 
Gulnaria plicata Sacc. 
Limnæus bucciniformis Sacc. 
Physa Meneghinii Sacc. 
Giraulus Stoppani Sacc. 
Spirodiscus Barettii Sacc. 
_ Isseli Sacc. 
Tropidiscus anceps Sacc. 
Unio Polloneræ Sacc. 
— maästodontophy lus Sacc. 
Margaritana astensis Sacc. 
