Excerpt from The Pathology and Treatment of Venereal Diseases Though there are many essential facts lacking for a thoroughly scientific knowledge Of the chancroidal ulcer, much has of late been learned concerning its origin and pathogeny. Nothing in medicine is to-day better demonstrated than that chancroid and syphilis are entirely distinct morbid processes. Syphilis has a distinct virus of its own; chancroid has no essential virus, and may arise de novo independently of contagion, and may be produced by the inoculation Of the products of simple inflammation. 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.