The Editors desire to express their thanks to the Proprietors of the Manchester Guardian for their permission to reprint the articles contained in this volume.

They also wish to acknowledge the assistance they have received in compiling the memoir from the family of the late Mr. Arthur Johnstone and from his friends, and they are more particularly indebted to Professor Sidney Vantyn for the long correspondence he placed at their disposal.

The letters quoted were for the most part written to Mr. Oliver Elton.