out," Mr. Thurston told the cubs one forenoon.

"And what is that mistake, sir, if you please?" Tom queried.

"Don't make the mistake of getting too large an idea of the value
of your services," replied the chief. "Just work hard all the
time and be wholly unassuming.

"I think we can follow that advice, sir," Tom replied, with a
smile.

"If you can, you'll get along rapidly. I have already written
to our officers in New York, thanking them for having sent you
two young men."

"Here's the map I have just finished, sir," said Harry, rising
from his drawing table on which were arranged the various draughtsman's
inks and washes---the latter being thin solutions of water colors
with which some parts of the maps were colored.

"Very handsomely done, Hazelton. Reade, what are you doing?"

"I'm at work on Black's field notes of the leveling," Tom answered.

"I am very much pleased with Black's work," replied Mr. Thurston.
"His notes show that we are going to get out of the excavating
in the cuts at about one third of the trouble and expense that
I had looked for."

"Black's field notes certainly do look good, sir, for they show