Separate eggs into 3 bowls as follows…..5 yolks in one bowl, 2 whites in one bowl and 3 whites in last bowl.
Cream egg yolks, add 3/4 cup sugar and lime juice and mix thoroughly.
Cook over low heat until thick. Add butter and remove from heat.
Let cool slightly.
Beat the 2 egg whites until stiff, then fold in cooled lime mixture.
Fill pie shell with this mixture.
Beat remaining 3 egg whites until stiff. Beat in 1/4 cup sugar.
Pile meringue on top of pie and bake at 325 for 15 minutes.