, iSSECiiON OF Snail { Helix pom atia). (Adnat, 

 5 Spermatheca. 



/ 

 Rectum. 



The body wall is cut Of '•en along the n id-dorsal line and up the spiral. The spiral 

 lobe of the digestive g!an<'i is cut througb and thrown over to the right along with all 

 the reproductive organs. The alimentary organs are released and thrown over to the 

 left, the nervous system and columellar nn iscles remaining in their normal position. 



