. Notizie agricoli. Agricoltura -- West Indies; le malattie delle piante -- West Indies. Vol. IV. No. 79. Il AGKICULTURAL NEWS. 123. Precipitazioni restituisce. Manuale di silvicoltura.- Vol. III. Forent }faHafje- mento. Da W. Schlich, Ph.D., CLE., F.R.S., F.L.S. Londra : Bradbunj, Agiuw <£• Co., Ltd. 10, Bouvinie San, 1005. Questo si impone una edizione riveduta in cui molti ciianges e alterazioni sono state introdotte. Esso verrà indicato nella prefazione che lo scopo di questo manuale ',' che era inteso in primo luogo come un libro di testo per i candidati per l'Indiano del dipartimento foreste, era di dare un quadro chiaro di economi

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. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. Vol. IV. No. 79. THE AGKICULTURAL NEWS. 123. RAINFALL RETURNS. MANUAL OF FORESTRY.- Vol. III. Forent }faHafje- ment. By W. Schlich, Ph.D., CLE., F.R.S., F.L.S. London : Bradbunj, Agiuw <£• Co., Ltd. 10, Bouvinie St., 1005. This i.s a revised edition in which many ciianges and Alterations have been introduced. It i.s stated in the preface that the object of this ' Manual, ' which was intended in the first place as a text-book for candidates for the Indian Forestry Department, was to give a clear picture of economic forestry. This volume on forest management deals with (i) forest mensuration, (ii) forest valuation, (iii) the foundations of forest management, (iv) the prepartion of forest working plans. The appendices contain tables of useful information for foresters, and the fifty-eight plans and illustrations are of assistance in following the operations. THE DESTRUCTION OF MOSQUITOS.- By !Major W. M. Hodder, R.E. Chnthain: Royal Engineers' Institute, lOOJf. The sub-title to this little publication states that it is 'an account of the drainage and other works carried out with this object [the destruction of mosquitos] during 190"2 and 1903 at St. Lucia, West Indies.' Major Hodder has not. however, confined himself to a bare statement of the works executed, but gives, also, his views and experience on this subject. The first chapter deals with the outbreaks of fever at St. Lucia. Towards the end of 1901 yellow fever appeared on the ilorne Fortune: as a consequence troops were moved to Vigie, and here malaria fever broke out, necessitating a second move, this time to Pigeon Island, with satisfactory results. Observations during these outbreaks, rendered it possible to plot out the infected areas at Vigie and to draw general deductions from tlie facts that became ajiparent later. The drainage of swamps, concreting beds of water courses, filling holes, etc., were put in hand. In Ch

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