ees for held up firm against the force of the explosion of the a distance of several yards with strong kerosene emul- «nit . charge by means of two links 47 and 49 (Figs. 4, 7, The Elm Leaf Beetle In New England. sion. This will not help the trees this season, but if The advance of the elm leaf… … Fig. 1L end (Fig. 8), while the spring 17 their tardy work Saturday by limits the movement of the link 49. BOECHAEDT EEPEATING PISTOL. THE pumping the kerosene emulsion The effect of these two springs is to into the tops of the elms. move the parts from the position shown in Fig. 7 to In many…
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