Excerpt from The Journal of Medical Research, Vol. 26: April, 1912, to July, 1912 Materia1. - The material upon which the observations in this paper are based consists of the notes and drawings I have made during several years study of ameba, and the recent study of two cases of infection with Entameba tetra gena, contracted in the Philippines; one case of mixed infection with Entameba histolytica and Entameba tetra gena, from Panama; three cases of infection with Entameba histolytica, from the Philippines, and three infections with Entameba coli. The cultural material consists of one culture obtained from Doctor Musgrave, of Manila, and two sent to this laboratory by the u.s. Army Board for the Study of Tropical Diseases, stationed in Manila, p.i. 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.