Excerpt from Tracts on the Natural History of Animals and Vegetables, Vol. 2Corpufculum, without analogy to a tail or any other member, and entirely foreign to the {per matic vermiculus. I have always found, as has been fhewn in the firil: chapter, that the appen dage has every charafteriftic of an actual tail. It has the fhape, and the diameter always be comes greater an approaching the body to which it is united, fo as to form one whole, as is feen in tailed worms and the vermiculi alfo ufe the tail while fwimming through the fpermatic fluid, bending it firft to one fide, then to another, and in every'different direction as aquatic worms are wont to do while they fwim. I have feen this innumerable times, and in the moft dillinét manner fo that I muft difcredit my eyes, if I think or write differently.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.