Solution to Jumbojac (unclued lights are in brackets)
ACROSS: I Wool-gathering 8 Preserve 13 Swires 14 Remainder 15 Altercate 16 Parody (Creamed) 19 Barbital (Agin) 22 Homoeoteleuton (Proposer) 25 Amateurs 27 Relet (Tope) 28 Straight plays 30 Alula 31 Lionel 36 Krameria 39 Camaraderie 40 Roynes 42 Genres 44 Tandem 45 Emmet (Petrel 47 Postage-stamp 48 Clothes-lines 49 Meson 51 Munze 53 Novice 55 Nursle 56 Manger 58 Scaberulous 61 Reminder 63 Sodium (Anger) 65 Entanglements 67 Amid (Grade) 74 Toad-fish 76 Pertains 77 Cost-accountant (Rose) 79 Tarascon (Encases) 80 Scaith (Ancestral) 81 Hepatitis 82 Wither 83 Er- rorist 84 Shrove Tuesday.
DOWN: I Weather-forecast 2 Onlooker 3 Leesome-lane (Gerne) 4 Twaite 5 Repressor 6 Nerite 7 Pedantism 9 Racers 10 Sneaps 11 Remise 12 Endure (Item) (Real) 14 Rotor 17 Roosts 18 Doilies 20 Bust 21 Goalie 23 Pig-rat 24 Elysium 25 Alary 26 Uplift 29 Recrossed (Airman) 32 Non-person 33 Dragon 34 Oddsman 35 Temperamentally 37 Methven 38 Agrin 41 Fescue 43 Steer 46 Monact (License) 50 Stemma 52 Understates 54 Elvers 56 Mindful 57 Gerah (Beasts) 59 Ostnic acid 60 Pistachio 62 Agnise 64 Edentata 66 Tots 68 Apiece 69 Grocer 70 Caesar 71 Gnosis 72 Doras 73 Istiiah 75 Doucet (Coat) 78 Nisse (Airs).
The unclued lights before anagrammatisation are, like 70D, Shakespearian characters: GREEN, TIME, LEAR, MERCADE, IAGO, PROSPERO. PETO. MARINA, PETER, SILENCE, BASSET, REGAN (not SNARE — to give ANSER — see note under square), EDGAR, CATO, IRAS, EROS, ESCANES and LANCASTER.
Winners: First prize (£20): R.H. Adey, 7 Belmont Rd, Wallington; Runners-up (£.10 each): Mrs Alfred Baker, Cobhambury House, Cobham, nr Gravesend, and W.A. Rankin, 30 Haydon Rd, Oxley, Watford.