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An experiment is designed to test whether or not 'resonant' waves produced by two intersection trains of long-crested gravity waves can exist independently of their generating source and whether or not these waves can produce standing waves. The results of the experiment were inconclusive. Indications that the 'resonant' wave had these properties were counterbalanced by indications that the sought-for effects were just as strong for 'non-resonant' components. Difficulties were encountered because of the small scale of the experiment. It is recommended that the experiment be scaled up to a larger wave tank because of the practical importance of the problem in wave forecasting. (Author)