=ALL-METAL FLYTRAP= Where large numbers of traps are to be constructed, and especially if they are to be used for trapping screw-worm flies on the range, it is desirable to make them with metal rather than wooden frames. Traps with galvanized-iron frames are now being used extensively on ranches in central and western Texas in combating the screw-worm fly. Mechanics may wish to vary details of construction from those given in the specifications, but the dimensions and general features of the trap should not be altered. The cost of the metal-framed traps varies from about $3.50 to $5 each according to the number ordered, the workmanship, and the kind of materials used. For the guidance of those who desire such traps the following directions, together with a working drawing (fig. 4), are given: =SPECIFICATIONS= _Dimensions_--As per working drawing. _Wire_--14-mesh galvanized or preferably copper screen wire. _Cylinder_--Wire gauze, to be soldered completely around inside of top ring and at intervals of 2 inches or less in groove of bottom ring. Vertical seam to be soldered entire and placed behind one leg. Where shipment of traps is not contemplated the diameter of the top of the cylinder may be the same as that of the bottom. _Top_--Wire gauze to be soldered completely around periphery on inside of top ring. _Cone_--Wire gauze to be soldered completely around inside of cone ring and vertically along seam. A 1-inch inlet hole shall be formed at apex of cone. _Frame_--To be made of 24-gauge galvanized iron. This includes top and bottom rings and legs. _Legs_--Galvanized-iron channels made as per detailed drawing and secured to top and bottom rings with four rivets, 1/8 inch in diameter, to each leg. First turned and drilled as per drawing. _Bottom cylinder ring_--=J= shaped, with bottom edge of cylinder dropped into J--crimped and soldered to secure. Ends of ring riveted to secure. _Cone ring_--Galvanized-iron band with 3/16-inch round iron wire rolled into lower edge, as per cross-section drawing of "cone ring." _Wing nuts_--Four copper wing bolts and nuts, as per drawing, to hold cone securely in place. =MANURE-BOX TRAPS= Manure pits or boxes are desirable for the temporary storage of manure, especially in towns and cities. These have been widely advocated, but the difficulty has been that manure often becomes infested before it is put into them, and flies frequently breed out before the boxes are emptied and often escape through the cracks. To obviate these difficulties a manure box or pit, with a modified tent trap or cone trap attached, is desirable. Arthur Swaim, of Florida, has devised a form of manure trap consisting of a series of screen tents with exit holes along the ridges of these, over which is a screen box. The latter retains the flies as they pass through the holes in the tents. The entire trap is removable.