1: Accepted rules for an inside con (5)
4: Nunn completes more circuits than Gore coming around Canary Island seaport (3,6)
9: Lecher in bed was full of hot air (9)
10: The end of some rivers is oddly deep, lethal (5)
12: Segregate horses around the object of a hunt (6,3)
13: The man with lack of skill shows cruelty (13)
16: Dangerous undertaking skiers in busy S bend (5,8)
20: Slows down before a drive in a fast lane (4,5)
22: Carries most of sea-bird back. (3)
23: Pitcher, lunatic, not married (5)
24: Can patriot make paver dither? (4-5)
25: The sky in the Bible is solid...true? True (9)
26: Verily, the imperial fleet doth pine! (5)