Slightly beat egg yolks. Combine yolks, I cup water, and 1/4 cup sugar in saucepan. Cook and stir over low heat until mixture is slightly thickened. Remove from heat. Add gelatin, and stir until dissolved. Add 1/2 cup water, orange rind, and orange juice. Chill until slightly thickened.

Beat egg whites and salt until foamy. Gradually beat in 1/4 cup sugar, and continue beating until stiff peaks are formed. Fold in thickened gelatin. Blend well. Fold in 1 1/2 cups blueberries. Spoon filling into pie shell. Chill until firm.

Beat whipping cream until soft peaks form. Top individual servings with whipped cream and remaining blueberries.