The protoplasm theory an introductory lecture delivered at the opening of the winter session of the College of physicians and surgeons, New York, October 1, 1873 This book, "The protoplasm theory an introductory lecture delivered at the opening of the winter session of the College of physicians and surgeons, New York, October 1, 1873", by Edward Curtis, is a replication of a book originally published before 1873. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.