Quarto. viii, 483pp, [2]. With 20 monochrome photographic plates. Original publisher's tan cloth, contrasting black morocco lettering-piece. Minor wear to extremities, slight rubbing to lettering-piece. Internally clean and crisp, overall a fine copy.

A revised edition of the historical records of the Royal Society, first printed in 1897, published to coincide with the celebration of 250th anniversary of the Society's foundation.