10.--+The Basis of Social Relations.+ A Study in Ethnic Psychology. By DANIEL G. BRINTON, A.M., M.D., LL.D., Sc.D., Late Professor of American Archæology and Linguistics in the University of Pennsylvania; Author of "History of Primitive Religions," "Races and Peoples," "The American Race," etc. Edited by LIVINGSTON FARRAND, Columbia University. 8º. Net, $1.50. (By mail, $1.60.) "Professor Brinton has shown in this volume an intimate and appreciative knowledge of all the important anthropological theories. No one seems to have been better acquainted with the very great body of facts represented by these sciences."--_Am. Journal of Sociology._ 11.--+Experiments on Animals.+ By STEPHEN PAGET. With an Introduction by Lord Lister. Illustrated. 8º. Net, $2.00. (By mail, $2.20.) "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. Net, $1.75. (By mail, $1.90.) "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 or 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. Net, $1.50. "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. Net, $2.00. (By mail, $2.20.) "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. Net, $1.50. "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._