The fifth yearly number of _L'Année Psychologique_ of MM. _Alfred Binet_, _H. Beaunis_, and _Th. Ribot_ is a volume of 902 pages, of which 591 pages are included in the first part, devoted to Original Memoirs and General Reviews. The papers are nineteen in number, on such subjects as muscular fatigue, the foreshortening of objects rising from the horizon, stereognostic perception and stereoagnosy, suggestibility, applications of the calculation of probabilities to psychology, colored audition, mental labor and nutritive changes, measure of mental fatigue, sensations of smell, phonographs and the study of the vowels, cephalometry, pedology, volume of the arm and muscular force, chronophotographic and other apparatus, and muscular sense; and the authors are MM. Van Biervliet, of Ghent; Blum, of Nîmes; Bourdon, of Rennes; Claparède, of Geneva; Clavière, Delage, Demeny, Druault, Mlle. Joteyko, MM. Larguier, Manouvrier, Marage; Marbe, of Würzburg; Obersteiner, of Vienna; Tscherning and Zwaardemaker, of Utrecht. M. V. Henri's paper on Muscular Sense would make a volume by itself. The second part--Analyses--consists of reviews of psychological publications entered under ten headings. The Bibliography contains 2,558 titles, and the index of authors fills upward of seventeen double-columned pages. (Paris: Scheicher Frères.) Valuable papers on Comparative Tests of Bituminous Steam Coals, by John W. Hill; the Artificial Preservation of Railroad Ties by the Use of Zinc Chloride, by W. W. Curtis; and the Theory of Concrete, by G. W. Rafter, are given in the _Proceedings of the American Society of Civil Engineers_ (vol. xxv, No. 4, April, 1899), together with discussions respecting street grades and cross-sections in asphalt and cement and to loads and maximum stress on members of a bridge truss; also biographical sketches of D. L. Barnes and W. R. Michie.