We were still arguing the question when we reached our chambers--as I will now call them--and a diversion was occasioned by my taking the lamp from my pocket and placing it on the table.
"Ah," my colleague remarked, "that is a little reminder.

We will put it on the mantelpiece for Polton to collect and you shall give me a full account of your further adventures in the wilds of Kennington.

That was a very odd affair.

I have often wondered how it ended." He drew our two arm-chairs up to the fire, put on some more coal, placed the tobacco jar on the table exactly equidistant from the two chairs, and settled himself with the air of a man who is anticipating an agreeable entertainment.
I filled my pipe, and, taking up the thread of the story where I had broken off on the last occasion, began to outline my later experiences.
But he brought me up short.
"Don't be sketchy, Jervis.

To be sketchy is to be vague.