Puzzle 1

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Across
  1. 4. like light
  2. 10. nimble-witted
  3. 13. male sexual partner
  4. 14. anything with poisonous juices
  5. 15. preventing nightmares
  6. 17. grit from an axle; stone or metal filings
  7. 19. doctrine that objects of cognition are real
Down
  1. 1. of, like or pertaining to fluid-carrying vessels
  2. 2. shaped like a scalpel
  3. 3. divination using rings
  4. 5. theory that self-existence is the only certainty
  5. 6. aquatic herbivorous mammal like the manatee
  6. 7. study of the nose
  7. 8. premature burial
  8. 9. means of ending legislative debate
  9. 10. mouldy; musty
  10. 11. in heraldry, the colour green
  11. 12. getting up on the wrong side of the bed
  12. 16. investor who is sold shares by private placement
  13. 18. painted thickly