She did not enter the house.

She was watching Sirius while I explained the methods whereby the distance of any star from the earth is computed and its chemical analysis determined--" "Most instructive, I'm sure," put in the superintendent.
He smiled genially, so genially that Grant dismissed the notion that the other might, in vulgar parlance, be pulling his leg.
"Well, that is the be-all and end-all of Miss Martin's presence.

It would be cruel, and unfair, if a girl of her age were forced into a distasteful prominence in connection with a crime with which she is no more related than with Sirius itself." The older man shook his head in regretful dissent.
"That is just where you and I differ," he said.

"That very point leads us back to your past friendship with the dead woman." "Why ?" "Surely you see, Mr.Grant, that Miss Melhuish might be, probably was, watching your star-gazing, especially as your pupil chanced to be, shall I say, a remarkably attractive young lady ...

No, no," for Grant's anger was unmistakable--"It does no good to blaze out in protest.