Operator 1 Ohio--Weber, Ind. 17.2 28.5 29.7 89 98.0 Ohio--Jones, Pa. 16.4 28.7 29.9 96 99.2 Ohio--Baum, Pa. 14.2 31.1 31.1 99 101.9 Ohio--Worton, Md. 13.7 30.8 30.8 88 99.5 Average 15.4 29.8 30.4 93.0 99.6 Operator 2 Ohio--Weber, Ind. 19.1 25.1 28.3 59 89.3 Ohio--Jones, Pa. 17.2 27.3 27.5 64 91.9 Ohio--Baum, Pa. 15.0 27.4 28.1 63 90.1 Ohio--Worton, Md. 14.9 26.1 29.1 58 87.4 Average 16.5 26.5 28.2 61.0 89.7 Operator 3 Ohio--Weber, Ind. 17.7 21.4 27.7 65 80.8 Ohio--Jones, Pa. 17.2 22.9 28.2 74 84.5 Ohio--Baum, Pa. 15.0 24.9 29.3 81 87.5 Ohio--Worton, Md. 14.6 22.4 28.7 66 80.3 Average 16.1 22.9 28.5 71.5 83.3 ------------------------------------------------------------------------ Table 4 gives the results of tests of similar samples of three varieties from four different sources by three different operators. The tests are not satisfactory because pretreatment was not uniform and there is insufficient data on penalties which are omitted. Some samples of the varieties Ten Eyck and Thomas contained empty nuts and shrivelled kernels which would preclude equal scores. The variety Ohio was uniformly filled from all sources. In the variety Ten Eyck there is a difference of 10.5 per cent in total per cent kernel in samples from the Baum orchard. This was related to 6 empty nuts in the sample cracked by operator 3. In the variety Ohio in which the kernels were plump the greatest variation between duplicate samples in total per cent kernel is 3 or only about 10 per cent of average total per cent kernel. An examination of these data show the following points of interest: (1) that the duplicate samples showed considerable variation in weight of single nut and total per cent kernel, characters not dependent on personal skill or judgment. Operator 2 did not crack the whole sample of 25 and may have selected the larger nuts, thus securing a greater weight per nut with all varieties. The superior filling of the nuts of Ohio appears to be related to the fact that in the orchards in question this variety was observed to hold its leaves longer than the others which lost their leaves in late summer before harvest by leaf blight. Shrunken kernels are a logical result of early defoliation.