The Medical Fortnightly, Vol. 6

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Excerpt from The Medical Fortnightly, Vol. 6: October 1, 1894With the bacillus coli communis, it will be observed that in the case of normal serum, we inoculated bacteria. Immediately afterwards there were 256 colonies. After twenty-four hours only 157 colonies. In other words, there was not only no development, but an actual diminution in the number of bacteria. If the organisms are not all killed at the end of twenty-four hours, the germicidal power ceases and those which remain multiply. After forty-eight hours the colonies were countless. In the second experiment we inoculated bacteria, which represented 188 colonies immediately. After twenty-four hours there were only 50 colonies, and in forty-eight hours they were countless. Taking a smaller number of bacteria, there were immediately 53 colonies, after twenty-four hours none, after forty-eight hours none, after one week none. In other words, in twenty-four hours the normal serum had destroyed bacteria.These experiments were uniform in results, and point to one conclusion, that the blood of rabbits killed in one-half to three hours after subcutaneous inoculation with rattlesnake venom, has lost its germicidal power. This is of considerable interest, for it is an indication of a very profound alteration in the blood. This germicidal power of the blood is one of very great significance, on which many of the modern theories of immunity depend.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.