Heat oven to 375 degrees. Grease 9 inch square cake pan. Sift flour, baking powder and salt into a large mixing bowl. Stir in cornmeal with fork. Combine milk, 1/3 cup maple syrup, butter, and eggs; add to dry ingredients. Stir in just until blended. Spoon into pan and smooth. Drizzle remaining 1/4 cup maple syrup over batter. Bake for 25 minutes or until a toothpick comes out clean.