1 256, 320 4.25 3.25 2 256, 384 4.25 3.00 3 256, 320, 384 5.60 3.00 4 320, 384 4.30 3.50 5 256, 512 4.65 5.50 6 320, 512 4.10 5.00 7 384, 512 4.90 5.00 8 512, 640 5.40 5.30 9 512, 768 5.50 5.80 10 640, 768 4.40 5.00 11 640, 1024 4.25 3.40 12 768, 1024 4.80 5.50 13 512, 1024 5.60 5.80 14 512, 640, 768, 1024 6.30 5.90 15 256, 320, 384, 512 6.50 4.00 16 320, 512, 768 5.00 4.70 17 136, 144 2.00 2.50 18 156, 160 3.80 4.00 19 136, 140 2.70 3.50 20 440, 444 6.81 6.00 21 504, 508 6.70 6.40 22 148, 152, 156 1.70 2.50 23 172, 296, 452 3.00 2.50 24 180, 480, 768 3.40 2.50 25 232, 328, 492 3.20 2.50 26 256, 512, 768 5.00 5.50 27 256, 240, 384 2.00 1.70 Totals 120.11 113.25 Average 4.45 4.19 The following tables deal with the combined series. Table IV shows that the appreciation of the colors was, in general, lowered slightly by the combinations with the tones; and, also, that the appreciation of the tones was lowered more than one point by the combinations with the colors. By referring to Tables I and III, M.'s average for the colors is 4.44 and for the tones 4.20. TABLE IV. COLOR-TONE RESULTS. M.