Keywords: Vegetable Mould and Worms figure 3.png en Figure 2 from The Formation of Vegetable Mould through the Action of Worms curves adjusted in Photoshop to make background white Caption Fig 3 A tower-like casting probably ejected by a species of Perichaeta from the Botanic Garden Calcutta of natural size engraved from a photograph Scanned from The Works of Charles Darwin edited by Paul H Barrett R B Freeman volume 28 1989 William Pickering London author October 1881 book publication PD-old The Formation of Vegetable Mould through the Action of Worms Black and white illustrations Uploads from public domain works by User Richard001 |