At the annual general meeting of the Vernacular Society of Great Britain in April this year, it was decided that a memorandum of evidence, concerning the use of English and Latin in the liturgy, should be prepared by the executive committee and submitted to the preparatory commission for the sacred liturgy of the Second General Council of the Vatican. The recommendations put forward in this memorandum have provoked no small measure of interest among Catholics and non Catholics alike, having been reported widely in the press at home and abroad, notably here in The Times, Guardian, and Daily Telegraph. They were welcomed in the religious press from the Universe to the British Weekly. I have a two-fold purpose in discussing them now: to explain something of the principles by which the committee were guided in formulating their recommendations, and to place the much discussed problem of liturgical language in the new perspective created by the approach of a general council of the Church.