Seafood And Shells

• 7 tiny shells
• 6 1/2 clams (minced)
• 1 clove garlic (minced)
• 1 tbls flour
• 1 tbls parsley (fresh)
• 1 tbls dry sherry
• 180 ml milk
• 180 gr shrimp
• 55 gr butter
• 50 gr celery thinly (sliced)