Four years ago when the 1950 social security amendments were before the Senate I said. in discussing the need for making the system more effective in agricultural areas. that we must deal with the question of coverage of farm workers more thoroughly than we had so far. I also said at that time: We are covering only a small proportion of the farm workers. The administrative difficulties of trying to keep track of migrant workers. of getting and keeping them covered * * * seem at times to be almost insurmountable. Yet I am hopeful that further study will result in clarifications. Mr.