DUBLIN Royal Dublin Society, May 24.?Irish Radium Committee Report for the year 1931. 16,756 millicuries of radon were issued during the year for therapeutic purposes. Detailed reports from some of the largest users record the results of the treatment of 400 cases.?J. Stuart Thomson: The anatomy of the tortoise. A study of the morphology of the closely allied species, Testudo ibera and T. gr?ca, system by system, in a way never attempted in a chelonian since the classic work of Bojanus on Emys europ? in 1819. The dissections of the vascular system from injected specimens, showing the complicated connexions of the arteries and veins related to the carapace, are some of the important features. Transverse sections of a six-weeks-old Testudo cut in celloidin are figured. The author recommends the importance of some dissections from the dorsal surface, after dissolving away the carapace with acid.?W. E. Abraham: Contact angles in an oil-water interface and their application to free flotation in the Weva inclinometer. In this instrument a floating magnet is used to determine the magnetic meridian. The magnet is encased in ebonite coated with gutta-percha, which lies in an oil-water surface in a containing glass vessel. As the water does not wet the guttapercha, capillary repulsion ensures free rotation.? J. Lyons and G. T. Pyne: Factors affecting the body or viscosity of cream and relative matters. Data are presented to show the effect of separation temperature, previous chilling, and pasteurisation of milk, and re-separation of chilled pasteurised cream on the viscosity of the ultimate product.