Edinburgh: Blackwood, 1859. hardcover. 2 volumes, many text illustrations, 404 + 464pp., 12mo, 3/4 calf (rubbed), previous owners bookplates. Edinburgh and London: William Blackwood & Sons, 1859-60. Very good. very good.
DNB XI, p.1046. "He himself wrote biological books, including `The physiology of Common Life' 1859-60...but it is as a popularizer of philosophy and as the man with whom George Eliot lived that he is remembered." Natural Science Books in English, p.194.