"Form fours!

"Right!

"Quick march!

"Halt!

"Left turn!

"Order arms!

"Stand at ease!

"Stand easy!"

They did it so well that it was quite wonderful when one considered the limited space at their disposal. They had evidently done it often, and The Rat had been not only a smart, but a severe, officer. This morning they repeated the exercise a number of times, and even varied it with Review Drill, with which they seemed just as familiar.

"Where did you learn it?" The Rat asked, when the arms were stacked again and Marco was sitting by him as he had sat the previous day.