[Illustration: SKETCH OF DRY ROT FUNGUS _On basement floor joist in house, at Greenwich, near London Feb 1875._ END OF JOIST _Crumbled into fine red powder, with slight rubbing._ TOP OF JOIST. _Portion of fungus near the edge was torn away on removal of floor boards, the undersides of which were covered with fungus, as well as the sides of nearest joist 10ins. distant._ _Portion of fungus near the edge was torn away on removal of joist. Fungus covered top and sides of sleeper joist._ _Colours of fungi. White, yellow, green, purple, and rusty red._] A TREATISE ON THE ORIGIN, PROGRESS, PREVENTION, AND CURE OF DRY ROT IN TIMBER. WITH REMARKS ON THE MEANS OF PRESERVING WOOD FROM DESTRUCTION BY SEA WORMS, BEETLES, ANTS, ETC. BY THOMAS ALLEN BRITTON, LATE SURVEYOR TO THE METROPOLITAN BOARD OF WORKS, AND SILVER MEDALLIST OF THE ROYAL INSTITUTE OF BRITISH ARCHITECTS IN 1854, 1856, AND 1870. [Illustration] LONDON: E. & F. N. SPON, 48, CHARING CROSS. NEW YORK: 446, BROOME STREET. 1875. THIS VOLUME IS Dedicated to GEORGE VULLIAMY, ESQ., VICE-PRESIDENT OF THE ROYAL INSTITUTE OF BRITISH ARCHITECTS; AND ARCHITECT OF THE METROPOLITAN BOARD OF WORKS; AS A SLIGHT ACKNOWLEDGMENT OF HIS COUNSEL, SYMPATHY, AND FRIENDSHIP, DURING MANY YEARS. PREFACE.