. Elementary entomology . firmly to the stick with stout binding wire. The ring will be held much more firmly if the ends of the wire are sharpened and again bent at right angles and driven into the stick. Also, a groove cut in either side of the stick for the reception of the wire will make it much stouter. There are numerous other ways of constructing net frames, but most of them are too complicated for practical use. Many folding frames of various types may be obtained of entomo- logical supply companies, but none of these are equal to the spring- steel, folding landing nets sold by dealers
. Elementary entomology . firmly to the stick with stout binding wire. The ring will be held much more firmly if the ends of the wire are sharpened and again bent at right angles and driven into the stick. Also, a groove cut in either side of the stick for the reception of the wire will make it much stouter. There are numerous other ways of constructing net frames, but most of them are too complicated for practical use. Many folding frames of various types may be obtained of entomo- logical supply companies, but none of these are equal to the spring- steel, folding landing nets sold by dealers in fish tackle. These may be obtained with a three-foot, jointed handle, are nearly as light, and will stand much more \vear than any of the regular insect-net frames on the market. The simplest and lightest net ring is that of the simplex net (see Appendix); this consists of a thin steel band which is easily coiled up and carried in the pocket, and readily attached to the handle. Numerous materials are used in the construction of the net itself. Mosquito bar is sometimes used, but this lasts but a short time and is too coarse to catch small insects. A fine bobbinet is far superior to the mosquito bar, as is also cheesecloth. With any of these mate- rials a hem of stout cotton cloth should first be sewed to the net, through which to run the net frame. The net should be about eighteen inches in depth, tapering nearly to a point. The net above described is to be used for all ordinary purposes, such as catching butterflies, dragon flies, etc., but is scarcely suitable for certain kinds of collecting. The sweeping net. This type of net is very similar to the one just described, except that the frame is much heavier and the net of stronger material, such as denim or canvas. It is used by sweep- ing it back and forth rapidly over the tops of the bushes, through long grass, weed patches, etc. After sweeping back and forth a number of times, the net is given a half turn, which prevent
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