Excerpt from The Standard Physiology: With Notes on Anatomy and Hygiene; Aid to the Injured; Disinfectants, Etc Experiment. Soak a bone in a dilute solution of hydro chloric acid for several days. The acid will remove the mineral matter, and the bone, while not losing its shape, will become flexible, and can be tied into a knot. Take another bone and place it in the fire the animal part will be burned out and the mineral remains. The shape will not be changed, but the pure-white remains may be crumbled between the fingers. 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.