Really stuck+ need your help please with this �500 GKTelegraph crossword. 74 across) thought it was Sea Urchin yet not sure now as thought 75 down was Drill 74a) Marine echinoderm(3,6) 75down) Boring tool(5) 67across) Dividing line(11)???a???t??? 37 across) small bug(5) ??h?? 82across) connect mechanically(4)