\" said the Inspector. \"He made a speech of welcome at nine o'clock and of course everybody in the building saw and heard him. But after he stepped down from the platform at nine-twenty, I am unable to find anybody who saw him until supper was served at eleven.\"
\"That is no proof that he wasn't there.\"
\"No, but unfortunately I have learned that a taxicab was called to the museum at nine-thirty, and that a man was driven
\" said the Inspector. \"He made a speech of welcome at nine o'clock and of course everybody in the building saw and heard him. But after he stepped down from the platform at nine-twenty, I am unable to find anybody who saw him until supper was served at eleven.\"
\"That is no proof that he wasn't there.\"
\"No, but unfortunately I have learned that a taxicab was called to the museum at nine-thirty, and that a man was driven
