Complete
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1 8 10 13 17 21 24 2 18 3 12 11 4 16 22 14 5 9 20 19 6 15 7 23
  1. 1a Prostrate (4,9)
  2. 8a Overdue (7)
  3. 9a Wingless bloodsucker (5)
  4. 10a Short journey (4)
  5. 11a Cheeky (8)
  6. 13a Military aircraft (6)
  7. 14a Cell that conducts nerve impulses (6)
  8. 17a Making rigorous demands (8)
  9. 19a Fight verbally (4)
  10. 21a Declares (5)
  11. 22a City in Saxony, famous for its porcelain (7)
  12. 24a Come to a sudden and premature end (3,2,4,4)
  13. 1d Chain for a pocket watch (3)
  14. 2d White metallic element found in most animals and plants, Ca (7)
  15. 3d Tiny circles (4)
  16. 4d Dilates (6)
  17. 5d Easy victory (8)
  18. 6d Established line of travel (5)
  19. 7d Bribe (informal) (9)
  20. 10d Plateau (9)
  21. 12d Throw overboard (8)
  22. 15d Quick witty reply (7)
  23. 16d Pin of a sundial whose shadow points to the hour (6)
  24. 18d Home (5)
  25. 20d Fail to meet — girl (4)
  26. 23d Open-meshed material (used for catching things?) (3)