Pumpkin Spice Cake Pie

1 Large can Pumpkin
3 Tbsp. Pumpkin Pie spice
4  Eggs  (Beaten)
1 large Can Milk
1/4 tsp Salt
1 1/2 cup Sugar
1 Yellow Cake Mix
1/2 cup Butter (melted)

Mix well and put in a greased 9x13 inch pan.  Mix Cake mix and butter together. Crumble over pumpkin and Bake at 350 for 45 minutes.