12 slides

1 - Snail, foot t.s., mucous and serous glands, muscles
2 - Snail, mantle margin t.s., chalk glands, mantle glands
3 - Snail, stomach t.s., digestive glands
4 - Snail, intestine t.s., mucous membrane, muscles
5 - Snail, liver t.s., chalk cells and liver cells
6 - Snail, hermaphrodite gland (ovotestis) t.s., ova and spermatozoa
7 - Snail, crystalline style and glands t.s.
8 - Snail, penis t.s., or spermoviduct t.s.
9 - Snail, flagellum t.s. 
10 - Snail, heart and kidney t.s.
11 - Snail, lung t.s., with respiratory epithelium
12 - Snail, eye with lens and retina l.s.