LA

VALVATA CRISTATA, 540, 543, 54/4.

B spirorbis, 5/44.

Valvata cristata, Müll., 544.

— depressa, C. Pfeiff., 540.

VALVATA MINUTA, 5/43.

Valvata minuta, Drap., 543.

VALVATA MOQUINIANA, 543.

Valvata Moquiniana, Reyn,, 543.

— obtusa, Brard, 540.

VALVATA PISCINALIS, 540, 5AG.

8 pusilla, 5/40.

y depressa, 9/0.

d umbilicata, 5/40.

Valvala piscinalis, Fér, père, 540.

— piscinalis, «, Nilss., 5/40.

— planorbis, Drap., 544.

— pulchella, Stud., 544.

— similis, Hartm., 526, 546.

— spirorbis, Drap., 544.

— umbilicata, Parr., 540.

Valvatidæ, Gray, 538.

VALVATIDÉS, 6, 512, 538.

VALVÉE, 6, 538, 540.

VALVÉE DE MOQUIN, 540, 543.