LAND SNAILS AND UMBRELLA SHELL 



1,2 Helix Pomatia, the prin- 

 cipal edible snail in Europe. 



3, 4 Pyramidula solilaria. 

 5 Omplialina fuHginosa. 



6 Gastrodonta ligera. 



7 Polygyra albotabris. 



8 Pyramidula allernata. 



9 Umbrella Indica. 



