Agricultural news . vals of two days for a period of ten days isrecommended as a control measure against borax both as a solution and in powdered form iseffective. Strong solutions of creo?ote or creolin, or somecommercial contact insecticides have also proved bisulphide fumigation may be used in the strengthof 12 It), per 1,000 cubic feet of space. The Inited States Bureau of Standards has completeda very careful determination of the freezing point of mercury,using platinum resistance thermometers to measure thetemperature. The result of this work, accor
Agricultural news . vals of two days for a period of ten days isrecommended as a control measure against borax both as a solution and in powdered form iseffective. Strong solutions of creo?ote or creolin, or somecommercial contact insecticides have also proved bisulphide fumigation may be used in the strengthof 12 It), per 1,000 cubic feet of space. The Inited States Bureau of Standards has completeda very careful determination of the freezing point of mercury,using platinum resistance thermometers to measure thetemperature. The result of this work, according to the Ro>,,il Society of Arts, Vol. LXV, No. 3,369,p. 542, gives - 3887 C ( - 37-97 F.) for this point. A knowl-edge of the freezing point of mercury is of great impor-tance to thermometer makers, as it marks the lower limit towhich a mercurial thermometer can be used, and furnishesa method for calibrating or printing the scale belew 0° C,(32= F.). Vol. XVI. No. 399. THE AGEICULTURAL NEWS 253. DOMINICA. REPORT ON THE AGRICULTU-RAL DEPARTMENT, 1916-17. The occurrence of a hurricane on August 8, the secondwithin a period of thirteen months, again interrupted theroutine work in the Gardens and Experiment consequence of the injury to the cacao and lime plots theplot experiments had to be recast and much time was takenup in repairing the damage caused by the storm. With regard to the various methods advocated andadopted for dealing with situations occasioned by thesevisitations, it may be correctly stated that, during the quarterof a century in which the lime industry has been the majorindustry of Dominica, no general plan of action has beenevolved for dealing with what is the most serious situationwhich the lime planter is called upon to meet. The methodspractised in dealing with fallen trees are described as: (I)propping back the tree in original position; (2) removing theupper branches and propping up the trees; (3) stumping thetrees; and (4) r
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