Stuck on last two: 4d Lecturer omitted insignificant terms (7) F?OT??G...A footing is a summary, but where does 'lecturer' come from? 15a Fish seen by a sloth (5) PER??...Probably 'perai' (pirhana), but could be 'perca' (perch), but I don't get the 'sloth' connection. Any ideas would be much apreciated!