"You came to the laboratory during the dinner hour to-day to fetch a pipette for Miss Vacher?"
Kitty's look of wonderment became more marked.
"Yes, Miss St. Leger."
"You went straight in and fetched the pipette?"
"Yes."
"Did you touch anything else in the room?"
"No, I don't think so."
"You did not touch the girls' experiments or their balances, for instance?"
"Oh no. I was specially careful not to go near them."
"You did not see anyone else about?"