"No. The men called him Hippity-hop, 'cause he was lame, I guess. But maybe I could find your brother."
"I wish someone could," murmured Grace, with a half sob.
The Gem chugged on through the darkness, making turn after turn, twisting here and there in the water, The Loon seeming to know the channel perfectly, in a much shorter time than the girls had expected they made a turn that a few seconds later brought them out on a broad stream.
"Now I know where we are!" cried Betty. "This is the Mayfair river—our river; isn't it?"
"Yes," answered The Loon. "We shall soon be at your orange grove now."
A few minutes later they saw a sudden glare of light and heard the firing of guns. Then they noticed boats here and there on the stream, each one containing several lanterns, while the occupants were shouting from time to time.
"Look! Look!" exclaimed Grace.
"Hush!" called Betty. "They are calling us!"
The girls could distinguish their names being spoken.
"They're searching for us!" cried Mollie. "Here we are!" she shouted, and her voice car-
