]26 INDEX 



Clausilia p a r V u 1 a , Mich. , Stud 37 



Syn. Clausilia rugosa, var. G. Drap. — Claus. 

 rainima , Pfeiff. 



Clausilia per versa, Pfeiff 36 



Syn. Clausilia rugosa, Drap. — Hélix perversa, 

 Mull. — Hel. rugosa, Fer. — Turbo per- 

 vers us , Penn. 



Clausilia ventricosa, Drap. ? 36 



Syn. Clausilia ventricosa , var. miner. Rossm. 

 Icon. fig. 276, 277, 279. — Hélix ventricu- 

 losa, Fer. 



CYCIiAS. Brug 88 



Syn. Cornea, Meger. — Pisidium, Pfeiff. 



— Tellina (pars), Lin. — Venus (pars) , 



Lin. 



Cyclas caliculata, Drap 91 



Syn. Cyclas stagnicola, Leach. — Tellina tuber- 

 culata , Alten. 



Cyclas fontinalis. Drap 89 



Syn. Cyclas pusilla , Turt. — Cycl. obtusalis ? 

 Lam. — Pisidium obtusale? Pfeiff. 



Cyclas lacustris, Drap 90 



Syn Tellina lacustris, Mull 



Cyclas obliqua, Lam 91 



Syn. Cyclas palustris , Drap. — Cycl. amnica , 

 Turt. — Pisidium obliquum , Pfeiff. 



Cyclas r i v a 1 i s , Drap 88 



Syn. Cyclas cornea , Lam. — Tellina cornea , 

 Lin. ?? 



