Excerpt from Archives of Radiology and Electrotherapy, Vol. 24: The Official Organ of the British Association of Radiology and Physiotherapy; June, 1919 Fig. 2. Squamous epithelium of under surface of tail of the same two rats as in Fig. 1. The effects on squamous epithelium are exactly opposite to those on columnar epithelium 92 mgr. For 108 minutes (upper) has led to complete desquamation 38 mgr. For 240 minutes (lower) has not. Compare with Fig. 1. 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.