The natural history of animalcules containing descriptions of all the known species of Infusoria This book, "The natural history of animalcules", by Andrew Pritchard, is a replication of a book originally published before 1834. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.