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'" .. "Examination of the published records indicates that the experimenters may have been dealt an unfortunate series of days in the random assignment of the seed and no-seed cases. * * * It appears from this evidence that the results reported earlier concerning the decrease in rain on the seeded days occurred because the high rainfall days happened to be assigned to the non-seeded days." It is worth noting that Neyman, et aI, (1967), treated the Whitetop case in relation to the hypothesis that there are certain meteoro- logical conditions, A, under which "seeding" increases rain and other different conditions, B, under which "seeding" decreases rain, treating the Swiss Grossversuch III as exemplary of the former ~lLOd Whitetop of the latter. "Seeding" is put in quotes because these workers took no account of the effects of differences in seeding treatments exemplified by the different projects that they analyzed and because in a subsequent publication (Neyman, et aI, 1969), the conclusions reached: "Two excellently performed, large cloud-seeding experiments, Grossversuch III and Whitetop, indicate strongly not only that cloud seeding ,can affect rain, but also that its effect can spread over very large areas, by increasing rain (as in Grossversuch III or by decreasing it as in Whitetop). The conditions in which increases or decreases due to seeding occur are largely unknown, which makes it questionable whether weather modification technology exists as such." lump many recognizably distinct cloud seeding treatments into a single undifferentiated "weather modification technology." It is almost as if one observed one person broiling a steak and another person incinerating garbage, and concluded that it is questionable if a technology existed for the use of fire in the treatment of food- stuffs . Two of the subsequent studies (Flueck, 1971; Lovasich, et aI, 1971a) did indicate strongly that there were meteorological differences between Whitetop occurrences of precipitation increase and precipita- tion decrease associated with the seeding, thus tending to confirm Neyman's, et aI, (1967) hypothesis of A and B meteorological condi- tions. Thus while the latest judgment is that although no statis- tically significant overall precipitation decrease from Whitetop can be proved, a differentiation can be made between conditions favorable to, and those unfavorable to, precipitation increase from the particu- lar seeding treatment used. The conditions for decrease (respective increase) may be defined as the intersection between a particular subset of meteorological conditions (those favorable for increase) and a particular subset of seeding treatments. The set of conditions thus defined for decrease does not, however, have anything in conwon with ARIDROP. 3