THE constant broadcasting of poetry has made it clear to many, who never realized it before, that poetry is essentially meant to be heard as well as seen. Poetry, in fact, has its roots in the spoken word: the written word is only a means of saving poetry from the oblivion of time. No small part of the appeal of poetry is in the very sound, and Mr. Ridley's second talk will consider, among other kindred aspects of the subject, how poetry may best be read.