Chapter 17 THE PHOTOGRAPH

Allerdyke went off to Hull, post-haste, because of a telephone call which roused him out of bed an hour before his usual time. It came from Chettle, the New Scotland Yard man who had been sent down to Hull as soon as the news of Lydenberg's murder arrived. Chettle asked Allerdyke to join him by the very next express, and to come alone; he asked him