BOOK REVIEWS AND NOTICES: Principles and Practice of Agricultural Analysis: The Mechanical Appliances of the Chemical and Metallurgical Industries; Chemical Reagents: Their Purity and Tests; Modern Power Gas Producer; Chemiker-Kalender, 1909; Laboratory Experiments in Metallurgy; Laboratory Notes on Industrial Water Analysis; Die Fabrikation von Leim und Gelatine; Les densities des solutions sucrees a Differentes temperatures; “Effects of Formaldehyde upon Digestion and Health”.