Thanks to Rosslyn and others I got the aged brain in gear and managed to complete except for one videlicet - 24ac (5) get around locally using transport that's new for run C ?R?I - the last letter presupposes I have the correct answer to 20D (minute area beneath axes: see fungal growth) for which I have lipoma. The only word I can get is corgi and if this is correct I shall require enlightenment! Are any of my mentors able to assist?