Excerpt from Heredity and Memory Writing in the middle of the xvnth cen tury on the efficient cause of the chicken, William Harvey of Caius College in this university quaintly remarked: Although it be a known thing subscribed by the egge is produced by the cock and henne, and the chicken out of the egge, yet neither the schools of physicians nor Aristotle's discern ing brain have disclosed the manner how the seed doth mint and coin the chicken out of the egge. How much nearer a disclosure. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.