Traveller and author, born near York, son of a clergyman; served in the navy from 1844 to 1851, taking part in the Franklin search expedition; 1852-1854 he spent exploring Peru; he introduced the cinchona plant to India 1860, became secretary to the Royal Geographical Society 1863, served as geographer to the Abyssinian Expedition of 1867-68, and was then put at the head of the Geographical department of the India Office; among many books of travels may be named "The Threshold of the Unknown Region" 1874, and among biographies "Columbus," 1892; b . 1830.