CLAUSILIA. 179 



Species of Leia. 

 Blandiaua, Pfeiff. Maugeri, Wood. 



Geuus CLAUSILIA, Draparnaud. 



Shell fusiform, generally sinistrorsal ; aperture elliptic 

 or pyriform, always with two lamellae on the contracted 

 columellar margin, and closed with a clausium at the hottom. 



Syn. Marpessa, Gray. Stomodonta, Mermet. Dyo- 

 donta, Hartm. Delima, Hartm. 



Ex. C. nigricans, Pultncy, pi. 70, fig. 9. Shell, 0. 

 bidens, Lintuvus, fig. 9, a. 



The species of this genus, which is characterised by the 

 peculiar calcareous appendage in the aperture, are very 

 numerous, and are inhabitants of Germany, Switzerland, 

 northern Italy, the Mediterranean Islands, China, Cochin- 

 China, and most temperate climates. We have followed 

 Mr. Charpentier in our arrangement of the species of this 

 extensive genus. 



Species of Clausilia. 



bidens, Mull. intermedia, Schmidt. 



canescens, Parr. Kusteri, Eossm. 



capillacea, Rossm. Macedonica, Rossm. 



cerata, Rossm. marginata, Ziegl. 



Coinensis, Shuttl. Meisneriana, Shuttl. 



commutata, Rossm. Moussoni, Charp. 



costata, Ziegl. orthostorna, Mke. 



curta, Rossm. plurnbea, Rossm. 



diodon, Stud. regalis, Parr. 



fimbriata, Miihlf. Sandrii, Rust. 



inserta, Porro. straminicollis, Parr. 



