1 July 31 1800 c.m. on left 24 c.m. on right 5 5 6 4 2 Aug. 1 21 c.m. on left 1800 c.m. on right 6 4 6 4 3 2 1800 c.m. on left 21 c.m. on right 8 2 6 4 4 3 19 c.m. on left 1800 c.m. on right 9 1 6 4 5 4 1800 c.m. on left 7 c.m. on right 7 3 5 5 6 5 6 c.m. on left 1800 c.m. on right 10 0 7 3 7 6 18 c.m. on left 74 c.m. on right 10 0 9 1 8 7 1800 c.m. on left 7 c.m. on right 8 2 8 2 9 8 7 c.m. on left 1800 c.m. on right 7 3 8 2 10 9 Mixed values 6 to 1800 c.m. 8 2 9 1 11 10 Blue 3 c.m. Red 1800 c.m. 7 3 6 4 Brightness tests were now made, without the use of colors. 11a 10 4 6 5 5 12 10 Blue 3 c.m. Red 8 c.m. 4 6 6 4 13 11 Blue 3 c.m. Red 7200 c.m. 8 2 5 5 14 13 Mixed values 3 to 7200 c.m. 7 3 7 3 15 13 Same 7 3 9 1 16 14 Blue 3 to 6 c.m. Red 112 to 3650 c.m. 10 0 10 0 Series were now given to test the assumption that red appears dark to the dancer. 17 14 Darkness on one side Red 3 c.m. 5 5 7 3 18 14 Blue 3 to 3650 c.m. Red 3 to 3650 c.m. 10 0 10 0 19 15 Darkness on one side Red 3 c.m. 5 5 4 6 20 15 Blue 3 to 3650 c.m. Red 3 to 3650 c.m. 10 0 9 1 21 16 Darkess on one side Red 72 c.m. 5 5 7 3 22 16 Darkness on one side Red 1800 c.m. 6 4 10 0