The California Fruit Growers’ Exchange ships on an average of sixty-five per cent of the California production of citrus fruits. This is a strictly non-profit, co-operative organization of 8,000 growers, the largest body of agriculturists operating on the non-profit co-operative plan in the world, and probably the most successful. At least, the cost to market the citrus crop under this system is lower than the marketing cost of any other agricultural crop in the world, which accounts in part for the fact that oranges and lemons are sold throughout the United States at retail prices which place this fruit within the reach of all. * * * * * What Kind of Steel Knives do not Stain nor Rust? Shortly after the first of the year, in 1916, the U. S. Consul at Sheffield, England, reported that a new steel had been introduced there for use in making table cutlery. It was said to be untarnishable and unstainable even when used with the strongest acid foods, as well as non-rusting. The new product, which is called “Tirth’s Stainless” steel, can be thoroughly cleansed by ordinary washing with soap and water, and cutlery made from it will retain its original polish after use. The properties claimed for it are of the steel itself and not the result of any treatment; consequently knives made from the new product can easily be sharpened in the regular way without fear of resulting damage. While the initial cost of cutlery made from “Tirth’s Steel” will probably be about double the usual cost, for not only is the price of the steel considerably more than that of other steels used for the same purpose, but it also costs more to work up, it is nevertheless expected to prove a welcome discovery to restaurant and hotel keepers as well as other large users of table cutlery because of the immense saving in labor occasioned by its use. Why is it Necessary to Keep Unusually Quiet when Fishing? The experienced fisherman who smiles at the amateur’s restless fidgeting and complaining has discovered by careful observation that the fish who swims around in such an exasperating manner just a foot or so away from the temptingly baited hook has had an advance tip that something out of the ordinary is going on up above him. For sound, whether it be the noise of an oarlock or a companion’s casual remark, can be heard more than four times as easily by the fish in the water beneath than it can up above in the air. Sound travels very quickly through the air, traversing ten hundred and ninety feet in a second, but it reaches forty-seven hundred feet away under water in the same time.