Popular science monthly . n great numbers along thebrink of a waterfall. The observermust look carefully to see the net, as itis usually obscured by the dirt thatcollects and adheres there in littlemasses. But if he is so fortunate as tofind one recently completed, the net-like formation is clear and beautiful. In some places empty cases may beseen at the edge of the brook. Oftenthey almost completely cover the rocksand the earth between them. In suchinstances the insects have emerged at Selling Cars Under the Big Top THE BIG TOP is the circus mansterm for the main tent with thethree rings. On


Popular science monthly . n great numbers along thebrink of a waterfall. The observermust look carefully to see the net, as itis usually obscured by the dirt thatcollects and adheres there in littlemasses. But if he is so fortunate as tofind one recently completed, the net-like formation is clear and beautiful. In some places empty cases may beseen at the edge of the brook. Oftenthey almost completely cover the rocksand the earth between them. In suchinstances the insects have emerged at Selling Cars Under the Big Top THE BIG TOP is the circus mansterm for the main tent with thethree rings. One of these huge spreadsof canvas has been taken over by a LosAngeles dealer in used cars to sell every-thing propelled b>- motors. The tent will hold five thousand peo-ple, and it has a display capacity of fivehundred cars, trucks and is an oval track one eighthof a mile in circumference, and themachines go whizzing about this asif it were an indoor speedway crowd looks on from the central en-. A circus-tent now used as a market-place for second-hand automobiles. A twenty per centincline in the center demonstrates the climbing ability of the cars the time of a freshet and the retreatingwater has left the cases stranded higliand dry. The two empty cases hereillustrated were obtained in this were selected from a large numberbecause they are perfect examples ofwhat the mason calls ashlar work, thatperfect fitting together of stones withoutpacking. Common as are the caddisworms and as often as they have beenobserved, not a single one has had itslife histf)ry recorded in this country. Afascinating field for original investiga-tion is here open to the first comer. ICn-deavor along this line is sure to be in-teresting. closure and judges the merits of the usedcars by what they can do—not h\ freshpaint and \-arnish. An additional test is afforded In thetwenty i)er cent incline in the center oithe arena. Here the car shows what itcan do on a gr


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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872