原文 (英语)

PREFACE Having spent the greater part of my outdoor life in the Thames Valley, in the enjoyment of the varied interests of its natural history and sport, I have for many years hoped to publish the observations contained in the following chapters. They have been written at different intervals of time, but always with a view to publication in the form of a commentary on the natural history and character of the valley as a whole, from the upper waters to the mouth. For permission to use t