In a saucepan on medium-high fire, boil together the alligator, 4 cups water, salt, cayenne pepper, and black pepper. Boil for 1 hour. In a large pot on medium-high fire, heat oil until hot then add flour and make a roux stirring constantly. Brown flour until it is the color of a tarnished penny then add the tomato sauce and cook for about 10 minutes stirring very often. Next add the onions and bell peppers and cook another 10 minutes. Now add the lemon, garlic, alligator and its liquid, and 3 cups of water. Stir well and cook on medium-low fire for 30-45 minutes. Serve over rice. For TURTLE SAUCE PIQUANT do not boil the turtle but add it in raw at the time the cooked alligator is added in the recipe. The turtle will have to cook in the gravy about 1? hours or until tender.