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 THE BLUEBIRDS IN THEIR PRIMITIVE HOME

tree. By standing on tiptoe I could look in and see four light-blue eggs lying on a nest of grasses that looked like a cunning little basket. It was a hot day, too hot for Mother Bluebird to stay in that hollow tree all the time. She was out playing tag with Mr. Bluebird. Perhaps she thought the hot air would keep her eggs warm. After she went in again he visited her often with food. Before going after