11.Experiments on Animals. By Stephen Paget. With an Introduc­tion by Lord Lister. Illustrated. 8o.

“To a large class of readers this presenta­tion will be attractive, since it gives to them in a nut-shell the meat of a hundred scientific disserta­tions in current periodical literature. The volume has the authoritative sanc­tion of Lord Lister.”—Boston Transcript.

12.Infec­tion and Immunity. With Special Reference to the Preven­tion of Infectious Diseases. By George M. Sternberg, M.D., LL.D., Surgeon-General U. S. Army (Retired). Illustrated. 8o.

“A distinct public service by an eminent authority. This admirable little work should be a part of the prescribed reading of the head of every institu­tion in which children of youths are gathered. Conspicuously useful.”—N. Y. Times.

13.Fatigue. By A. Mosso, Professor of Physiology in the University of Turin. Translated by Margaret Drummond, M.A., and W. B. Drummond, M.B., C.M., F.R.C.P.E.; extra Physician, Royal Hospital for Sick Children, Edinburgh; Author of “The Child, His Nature and Nurture.” Illustrated. 8o.

“A book for the student and for the instructor, full of interest, also for the intelligent general reader. The subject constitutes one of the most fascinating chapters in the history of medical science and of philosophical research.”—Yorkshire Post.

14.Earthquakes. In the Light of the New Seismology. By Clarence E. Dutton, Major, U. S. A. Illustrated. 8o.

“The book summarizes the results of the men who have accomplished the great things in their pursuit of seismological knowledge. It is abundantly illustrated and it fills a place unique in the literature of modern science.”—Chicago Tribune.

15.The Nature of Man. Studies in Optimistic Philosophy. By Élie Metchnikoff, Professor at the Pasteur Institute. Transla­tion and introduc­tion by P. Chambers Mitchell, M.A., D.Sc. Oxon. Illustrated. 8o.

“A book to be set side by side with Huxley’s Essays, whose spirit it carries a step further on the long road towards its goal.”—Mail and Express.