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Across 9. A tube used to convey liquid upwards from a reservoir and then down to a lower level of its own accord. Once the liquid has been forced into the tube, typically by suction or immersion, flow continues unaided 10. Single-celled organisms of the former class Infusoria, which consisted mainly of ciliate protozoans. 11. Situated or extending across something 13. People who carries a golfer's clubs and provides other assistance during a match 15. Feeling or expressing great happiness and triumph 20. A feeling of smug or uncritical satisfaction with oneself or one's achievements 22. Relating to or denoting a nebula or nebulae 23. Examined or inspected closely and thoroughly 25. Lasting only for a short time; impermanent 27. Tremble or shake with a slight rapid motion 29. Showing or feeling hesitancy; uncertain 30. An object or flat figure in an elongated rectangle or oval shape 31. A tourist or traveler 34. Almost 36. Calm, peaceful, and untroubled; tranquil 37. Rise and fall irregularly in number or amount 38. A servingman employed in a public house 39. An apparatus for producing and recording spectra for examination 40. Always right or accurate

Down 1. Deep insight; great depth of knowledge or thought 2. The driver of a horse-drawn wagon 3. A binary compound of oxygen with another element or group 4. Denoting attitudes, activities, or other things that have no religious or spiritual basis 5. Of a rich deep red color inclining to purple 6. Do casual or occasional work 7. Go or move back or further away from a previous position 8. Extremely large 12. Fluent or persuasive in speaking or writing 14. A purple-flowered Eurasian heath that grows abundantly on moorland and heathland. Many ornamental varieties have been developed 16. Feel willing or favorably disposed toward 17. Other things with the ability to acquire and apply knowledge and skills 18. To a great extent; extremely 19. Became aware or conscious of (something); come to realize or understand 21. Combining the serious and the comic; serious in intention but jocular in manner or vice versa 24. A project or undertaking, typically one that is difficult or requires effort 26. In an eager or enthusiastic manner, intently 28. A crust or hard coating on the surface of something 32. Of uncertain, indefinite, or unclear character or meaning 33. A period of keeping awake during the time usually spent asleep, especially to keep watch or pray 35. Continuing without pause or interruption