§ Returns of accidents and casualties as reported to the Board of Trade by the several railway companies in the United Kingdom during the three months ended 31st December, 1904, in pursuance of the Regulation of Railways Act (1871); together with reports of the Inspecting Officers, Assistant Inspecting Officers, and Sub-Inspectors of the Railway Department to the Board of Trade upon certain accidents which were inquired into. Part I. Returns of Accidents.