Fish Chowder a la Arizona

2 potatoes, peeled and diced
1 onion, diced
1 (6 1/2 ounce) can tuna, drained
1 (6 1/2 ounce) can minced clams, with juice
1 (4 1/4 ounce) can shrimp, with juice
1 (16 1/2 ounce) can creamed corn
2 tablespoons butter
1 (16 ounce) can evaporated milk or 2 cups fresh milk
1/2 teaspoon white pepper
1/4 teaspoon nutmeg

Saut? potatoes and onion in butter until potatoes are cooked. cool quickly and add tuna, clams and shrimp. Stir to heat. Add remaining ingredients. Heat until hot.

Serves 8.