Commerce.

The two were intimate at that time,--they had been class, mates--and saw
a great deal of each other. Indeed, they lived together in Ninth Street,
in a boarding-house, there, which had the honor of lodging and partially
feeding several other young fellows of like kidney, who have since gone
their several ways into fame or into obscurity.

It was during the morning walk to which reference has been made that
Henry Brierly suddenly said, "Philip, how would you like to go to
St. Jo?"

"I think I should like it of all things," replied Philip, with some
hesitation, "but what for."

"Oh, it's a big operation. We are going, a lot of us, railroad men,
engineers, contractors. You know my uncle is a great railroad man. I've
no doubt I can get you a chance to go if you'll go."

"But in what capacity would I go?"

"Well, I'm going as an engineer. You can go as one."

"I don't know an engine from a coal cart."

"Field engineer, civil engineer. You can begin by carrying a rod, and
putting down the figures. It's easy enough. I'll show you about that.
We'll get Trautwine and some of those books."

"Yes, but what is it for, what is it all about?"