The Formation of Vegetable Mould Through the Action of WormsNote 166a — Chapter IV · THE PART WHICH WORMS HAVE PLAYED IN THE BURIAL OF ANCIENT BUILDINGS.Reading edition‘Leçons de Géologie pratique,’ 1845, p. 142.◇Copy noteReturn to CHAPTER IV. THE PART WHICH WORMS HAVE PLAYED IN THE BURIAL OF ANCIENT BUILDINGS.