"The mummy was taken directly from the seller's house to the boat, and perhaps Sidney did not find the manuscript until he looked at the mummy.

Then Captain Hervey kept an eye on Sidney, so that he could not open the mummy to steal the emeralds." "Still, according to your own showing, Sidney looked at the actual mummy--he opened the mummy case, that is, else he could not have got the manuscript." Lucy nodded.
"I think so, but of course we cannot be sure.

But the packing case in which the mummy was stowed was placed in the hold of the steamer, and if Sidney had wished to steal the emeralds, he could not have done so without exciting Captain Hervey's suspicions." "Then let us say that Sidney robbed the mummy when in the Sailor's Rest, and took the clothes he borrowed from his mother in order to fly in disguise.

But what of the woman ?" Lucy shook her head.
"I cannot tell.

We may learn more later.