16 
0) 
Helvetian 
Helvetian 
s 
der 
anderer 
j4 
zn 
Q 
Schweiz. 
Länder. 
cö 
O 
<D 
I 
II 
III 
i : 
II 
III 
O 
N S 
Luz Be 
Lima squamosa. Lam 
4 
2 
2 
2 2 
4 
4 
3 
3 
Perna Soldanii, Desh. ...... 
3 
2 
3 
3 
5 
5 
Avicula (Mdeagrina) Studeri, May. 
2 
2 
4 2 
2 
2 
2 
2 
■ — ? peregrina, May 
1 
2 
— phalcenaeea, Lam. . . . . . 
4 
2 
3 
3 2 
3 
3 
3 
3 
Pinna Bachmanni? May. ..... 
. ? 1 
— Brocchii, Orb 
4 
2 
3 
5 3 
3 
3 
4 
4 
— tetragona, Broc 
2 
2 
2 
2 
2 
Mytilas Aquitaniens, May. . ... 
5 
2 
2 
3 3 
3 
3 
4 
3 
- — oblitus, Mich 
3 
1 
2 
2 
2 
2 
(Modiöla) barbatus, L. . . . 
3 
2 
4 3 
3 
3 
3 
3 
— costulatus, Risso. 
2 
2 
— Dolfusi, May. . . 
4 
— Escheri, May. . . 
3 
2 
3 
2 
— Studeri, May. . . . 
4 
Lithodomus caudigerus, Lam. (Modiola) 
3 
2 
■ — cinnamomeus, Chemn. (Myt.) 
3 
2 
2 
1 2 
2 
2 
— lithophagus, L. (Mytilus) . 
2? 
? 2 
1 3 
2 
3 
3 
Congeria Basteroti, Desh. (Mytilus) 
4 
2 
2 
4 
3 
2 
2 
Area barbata, L 
4 
2 
3 
2 
4 
3 
3 
3 
— Breislaeki, Bast . . 
3 
2 
3 
4 
2 
— clathrata, Defr 
4 
1 
3 
2 
2 
2 
— diluvii, Lam . 
2 ? 
4 
4 
4 
4 
— Fichtdi, Desh. ...... 
4 
3 2 
3 3 
3 
3 
3 
— Helvetica, May 
2 
3 3 
3 
3 
2 
— imbricata, Brug. ...... 
3 
2 
3 
2 
.2 
2 
— lactea, L 
2 
4 
2 
2 
5 
4 
4 
3 
— laüsulcata? Nyst 
3 
1 
3 
— Noce, L ... 
3 
2 
4 
3 
3 
3 
— OJceni, May. . . . . . . . 
3 
4 
2 
— polymorpha, May 
2 
2 
4 
— scabrosa, Nyst 
3 
3 
4 
2 
2 
2 
3 4 
5 
2 
2 
4 
8 
2 
4 5 
3 3 
3 
4 
3 
4 
3 
5 
4 
2 3 
5 
4 
4 5 
4 5 
Messin. Astian. 
