The formation of vegetable mould, through the action of worms, with observations on their habits.

London : John Murray, 1904. Thirteenth Thousand. Octavo, papered boards, lettered and decorated in black, light fading to upper edge, in the rare original printed dustjacket (publisher’s repriced labels to inner flap and spine, tiny nicks to head of spine), pp. viii; 298; 2 (adverts.), 10 black and white plates, a very fine copy in the rare dustjacket.