Beaker elutriation. Average of four Churn elutriation. analyses. Diameter in millimeters. per cent. per cent. per cent. Removed by sieves 47.77 47.77 47.77 0.25–0.05 22.06 21.95 20.75 0.05–0.01 11.20 11.62 11.18 <0.01 9.82 9.14 10.72 Clay (difference) 2.32 2.69 2.75 Loss on ignition 6.83 6.83 6.83 —————— —————— —————— 100.00 100.00 100.00 SUBSOIL, BOILED TWENTY-THREE HOURS. Churn elutriation. Beaker elutriation. Diameter in millimeters. per cent. per cent. per cent. per cent. Removed by sieve 39.33 39.33 39.33 39.33 0.25–0.05 33.61 30.83 32.35 32.95 0.05–0.01 10.91 12.25 10.32 10.37 <0.01 7.05 8.11 8.29 7.64 Clay 5.02 5.40 5.63 5.63 Loss on ignition 4.08 4.08 4.08 4.08 —————— —————— —————— —————— 100.00 100.00 100.00 100.00 These analyses agree quite as well as could be expected from two such different methods.