Preheat oven to 325 degrees F. Wrap a 9-inch springform pan with foil. In mixer bowl beat cream cheese until smooth. Add sugar, vanilla, lemon juice and salt; beat well. Gradually add eggs and yolks, beating well. Beat in cream. Stir in 1 1/2 cups cream cheese mixture into melted chocolate; stir in milk. Pour remaining plain cream cheese mixture into prepared pan. Slowly pour chocolate mixture into cheese mixture in a zigzag pattern. Swirl with a knife to marbelize. Place pan in a large baking pan with 1 inch of hot water. Bake 1 hour 20 minutes or until set. Remove from water; cool. Refrigerate overnight. Makes 16 servings. 380 calories each.