30 Mr. J. G. Jeffrey s's Notes on Swiss Motlusca. 



Clausilia ventricosa, Drap. 

 Vallee d'Ormonts ; Payeme (Charp.) ; — Belmont and other places 

 near Lausanne ; Rochers Nez ; Devens. 



Clausilia similis, Charp. 



Turbo biplicatus, Mont. 



M. Charpentier doubts this species having been ever found in 

 Switzerland, and he thinks C. plicata may have been mistaken 

 for it. 



Clausilia dubia, Drap., is now generally considered to be synony- 

 mous with C. rugosa. This variety or form appears to be 

 very common and widely spread in Switzerland. 



Clausilia cruciata, Stud., is admitted by M. Charpentier to be 

 another variety of the same species. 



Clausilia obtusa, Pfeiff., which M. Charpentier found at Freiburg, 

 is another variety. 



Clausilia plicata, Drap. 



Zurich; Guevaux; Schwyz (Charp.). 



Clausilia Moussonii, Charp. 

 Zurich (Mousson and Charp.). 



Clausilia ornata, Ziegl. 

 Winteregg (Shuttleworth) . 



Clausilia Stabilei, Charp. 

 Clausilia tumida. Stab. 

 Lugano (Stabile). 



Achatina acicula, Miill. 



Chamblande, near Lausanne ; St. Maurice. 



Cionella lubrica, Miill. 



Var. Minor seu alpina. »-' 



,. Chable; Zermatt. 



Phjsa hypnorum, Drap. 



Foully, and Valley of the Rhone (Charp.) ; Les Pierrettes, near 

 Lausanne ; and also in several parts of the Rhone Valley. 

 Not uncommon. 



Physa fontinalisy Drap. 

 Yverdun j Orbe (Charp.). 



