Complete
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7 9 11 14 18 21 1 24 2 12 3 19 22 4 13 17 15 5 16 20 6 10 23 8
  1. 1a Remain south (anag) — migratory bird (5,6)
  2. 9a Forerunner (9)
  3. 10a Sound made by a pigeon (3)
  4. 11a Dusk to dawn (5)
  5. 13a Purported (7)
  6. 14a Hostelry (6)
  7. 15a Pounce — pogo stick part (6)
  8. 18a Meander (anag) (7)
  9. 20a Drink alcohol (5)
  10. 21a Not many (3)
  11. 22a Shopping by post (4,5)
  12. 24a Striking (3-8)
  13. 2d Half and half? (3)
  14. 3d Stroll (7)
  15. 4d Foreign intelligence agency (6)
  16. 5d Relating to the countryside (5)
  17. 6d With one's identity concealed (9)
  18. 7d Wastrel (11)
  19. 8d Fictitious name (3,2,6)
  20. 12d Yielding (6,3)
  21. 16d Bagpipe music (7)
  22. 17d Junkie (6)
  23. 19d Ape (5)
  24. 23d Loud noise (3)