Excerpt from Forty-Seventh Annual Report of the Commissioner of the Michigan Department of Health for the Fiscal Year Ending June 30, 1919 Ruth Normington, Assistant Bacteriologist. Frances Hawkins, Assistant Bacteriologist. P. C. Yul], Assistant Bacteriologist. 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.