ClipArt ETC
"A, Edwardsia cliparedii (after A. Andres). Cap, capitulum; sc, scapus; ph, physa. B, Transverse section of the same, showing the arrangement of the mesenteries. s, Sulcus; sl, sulculus. C, Transverse section of Halcampa. d, d, Directive mesenteries; stm stomodaeum." — The Encyclopedia Britannica, 1910

Edwardsia Cliparedii

"A, Edwardsia cliparedii (after A. Andres). Cap, capitulum; sc, scapus; ph, physa. B, Transverse section…

A large genus of pond snails. Pictured is <I>Physa fontinalis</I>, which is commonly found in Europe.

Physa

A large genus of pond snails. Pictured is Physa fontinalis, which is commonly found in Europe.