THE thirty-fourth annual report of the Local Government Board, 1904–5 (Supplement containing the Report of the Medical Officer, price 4S., London, 1906) commences with a useful summary of its contents by Mr. Power. Appendix A contains the provisions of the International Sanitary Convention of Paris, 1903, and of the. West Indian Intercolonial Sanitary Convention, 1904, many reports by the Board's inspectors, statistical tables, and summaries by Dr. Br.uce Low of the diffusion of plague and of cholera throughout the world in 1904. Interalia, we are informed that vaccination is being increasingly adopted, the abstentions for 1903 being 14.7 per cent. of births as against 152 per cent. for 1902, and still higher for preceding years.