THE FORMATION OF VEGETABLE MOULD, Through the Action of Worms, with Observations on Their Habits.

Eleventh Thousand, Corrected. 8vo. dark green cloth hardback, gilt. 328pp., Indexed, plus 32pp. Publisher's List at end. With 15 b/w illustrations. Lacking half-title. Occasional pencil marks in margins and handling marks. Light soiling, rubbing and wear to spine and boards. Overall a Good Copy.