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Dr. Grimesby Roylott's chamber was larger than that of his

step-daughter, but was as plainly furnished. A camp-bed, a small

wooden shelf full of books, mostly of a technical character, an

armchair beside the bed, a plain wooden chair against the wall, a

round table, and a large iron safe were the principal things

which met the eye. Holmes walked slowly round and examined each

and all of them with the keenest interest.

"What's in here?" he asked, tapping the safe.

"My stepfather's business papers."

"Oh! you have seen inside, then?"

"Only once, some years ago. I remember that it was full of

papers."

"There isn't a cat in it, for example?"

"No. What a strange idea!"

"Well, look at this!" He took up a small saucer of milk which

stood on the top of it.

"No; we don't keep a cat. But there is a cheetah and a baboon."