JOHN E. SOWERBY (ILLUS): THE GRASSES OF GREAT BRITAIN

described by Charles Johnson, London, Robert Hardwicke, c.1860, with F.E. Tripp: British Mosses, 2 vols, London, George Bell, 1874, F.O. Morris; A History of British Butterflies, London, John C. Nimmo, 1895, and three vols of Lydekker's Natural History (III, IV, V) (7)