1. The formation of vegetable mould through the action of worms: with observations on their habits Author(s): Darwin, Charles, 1809-1882 author Publication: New York : D. Appleton & Co., 1882 Subject(s): FungiOligochaetaSoil
2. Annelida terricola: Earth-worms Author(s): Kellogg, Elijah Chapman, 1811-1881, lithographer Publication: Cambridge, Mass. : Published by the author, c1853 Subject(s): Oligochaeta
