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ANSTIE, M.D., F.R.C.P. Senior Assistant Physician to Westminster Hospital, and Lecturer on Medicine in Westminster Hospital School. "PRACTITIONER" OFFICE, 29, Bedford Street, Covent Garden, W.C. LONDON, April, 1873. THE Publishers of The Practitioner have much pleasure in announcing the immediate enlargement of the Journal by the addition of 16 pages in each number, which will be devoted exclusively to matters of Public Health. The sanitary legislation of 1872 has created an entirely new set of public appointments, which must necessarily be filled by medical men. The numerous Medical Officers of Health who have been, or will be shortly, appointed all over the country, must necessarily feel the want of some channel through which they may obtain the most recent and correct information respecting all matters which concern the important duties which they are called on to perform. At present there is no such source of information; for the casual notices of hygienic matters which appear in the ordinary medical journals, though often individually very valuable, can scarcely be said to put the subject of Public Health before the profession in a compact and continuous manner. The Publishers of The Practitioner have the pleasure of announcing that the Editor has succeeded in obtaining the promised co-operation of several of the most distinguished authorities in Sanitary Medicine, in making the Public Health Department of the Journal all that it should be. Each monthly instalment will consist of three sub-sections: the first, an original article on some hygienic question of general interest; the second, a summary account of what is being done in practical hygiene in this country and on the Continent; the third, a brief mention of all new inventions in the way of apparatus and processes for carrying out the details of sanitary work. The first number of the enlarged Practitioner will appear in May, or rather it will be published on the 26th of April; and arrangements have been made by which the Journal will in future always appear on the 26th of the month before its nominal date. It has not been thought advisable to materially alter the name of the Journal, which the Publishers are happy to believe has become favourably known to a wide circle of readers. In its new series, therefore, The Practitioner will be merely entitled "A Monthly Journal of Therapeutics and Public Health :" and under this denomination the Publishers confidently hope that it will attract a large increase of that support which the profession has already liberally given to it. In this belief they have determined not to increase the present price (Is. 6d. monthly), although their subscribers will in future obtain 16 more pages of printed matter. 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