Dr.Payson, leaning out as the carriage swung into Dewey Square, saw by the big clock on the Union Station that it was 7:13.

He had lost the train.
Now, the assistant had been assistant long enough to know that excuses--in the ordinary sense of the word--did not pass current with Dr.Morgan.That gentleman had telegraphed for antitoxin, and said it was important that he should have it; therefore, antitoxin must be sent in spite of time-tables and forgetful butlers.

Dr.Payson went into the waiting room and sat down to think.

After a moment's deliberation he went over to the ticket office and asked: "What is the first stop of the Cape Cod express ?" "Brockboro," answered the ticket seller.
"Is the train usually on time ?" "Well, I should smile.

That's Charlie Mills's train, and the old man ain't been conductor on this road twenty-two years for nothin'." "Mills?
Does he live on Shawmut Avenue ?" "Dunno.