THE TROUT: THE NATURAL HISTORY OF THE BROWN TROUT IN THE BRITISH ISLES. By W.E. Frost and M.E. Brown.

(1967) 1970 1st paperback edition. Small 8vo (110 x 180mm). Pp316, ads. B/w photographs, illustrations, bibliography.

The most definitive monograph on the ecology of the brown trout. This is the New Naturalist monograph re-set in standard paperback form. A dozen or so New Naturalist titles were re-printed in this manner under the Fontana imprint at the beginning of the 1970's. Chapters include: Anatomy and physiology; Taxonomy; Distribution; Life history; Age and growth; Heredity; The physical environment; The trout's food; The biological environment; Trout and man. Appendices include: Routine examination of trout; Age and growth determination from trout scales; Rivers; Lakes; How to calculate specific growth rates; Specific growth rates; Examination of stomach contents of brown trout; List of waters for which we have data on total hardness.