"A brig," replied Con Bunker; though none spoke unless they were called upon.

"Right; and what is a brig, properly defined?"

"A vessel with two masts, square-rigged on both," replied Hop Cabright.

"What is this?" and the principal showed another drawing.

Such a craft had never been seen on the lake; and only Matt Randolph, and a few others from New York and Boston, could answer.

"It is a three-masted schooner," answered Tucker Prince. "Her masts have the same names as those of a ship."

"And she is a fore-and-after," added Captain Gildrock.

The next picture was a puzzle to all except Matt Randolph.

CHAPTER XIX.
THE DIFFERENT RIGS OF VESSELS.