EDIBLE SNAIL (HELEX POMATIA). 



PLATE XVII. 



Httix poniatia 



Fig. 3. Lenqititdinal Wrtwal Rectum. 



of Rectum,- 



FiV.5. SufcoL -mass{cu>3ide. view 



Fig". 



". 4 Dorsal via* -with thf twper 

 surface- of mantl? turned back 



Fig. 12 Jtlind atd-af Follick of 'Ovoleatit 



frop 



