Excerpt from Proceedings of the New York Pathological Society, Vol. 21 After two to three days there appeared in the clear area small colonies which upon transplantation grew with difficulty. On the agar plates the subcultures of these resistant colonies did not show the above-described structures which indicate the action of the lytic agent upon non-resistant bacteria. 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.