OBSERVER CROSSWORD PUZZLER

ACROSS 1. Samoan coin 5. Belgrade’s republic 11. Eastern trading bloc 16. The Emerald Isle 17. Metrical feet 18. Cooktop 19. “Humanum ___ errare” 20. Touch-and-go 21. Scarecrow stuffing 22. Airheaded 24. Aleppo’s land 25. Related on one’s mother’s side 26. Loose 28. Kitchen meas. 30. Long, long time 31. Hammer’s end 32. Chuck 35. Most debonaire 37. Put away, in a way 39. Dogma 40. Cool 42. Grassy spots 44. Mouth, in slang 48. Takes off 49. Tablelands 50. Inclined 51. Cotton fabric 52. E-mail option 53. Classic theater name 54. Bit in a horse’s mouth 55. Sinful 57. Wide ruffle 61. Microbe 62. Copycat 65. Holds up 66. “Silent Night” adjective 68. Marine rock-clinger 70. ___ of Langerhans 72. Mountain ash 75. Preserves, as pork 76. Like lettuce 77. Slanted type 79. Burn up 80. Illumined 81. Staccato’s opposite 82. Butcher’s stock 83. Commemorative marker 84. Swellings 85. Dangerous biters DOWN 1. Ready for a drive 2. Poison gas 3. Bridge coup 4. One 5. Getaway 6. Eavesdropping distance 7. Be dependent 8. Crude dude 9. Indigenous Canadian 10. Murderers 11. Hind end 12. GPS, e.g., in military lingo 13. Bring to a boil? 14. Playing marbles 15. Just out 20. Myanmar monetary unit 23. Lady of Lisbon 27. Attempt 29. Kisser 33. Lug 34. Nudibranch 36. “Sam I __” 38. German resort 40. Cleo’s undoing 41. Hawaiian dish 43. Detroit’s county 44. Refrain from singing? 45. Butterballs 46. “Wheel of Fortune” buy 47. ___ green 49. Lunar lander? 50. High degree 52. R-rated, maybe 53. Archaeological find 54. Happening 56. Trattoria frozen dessert 57. Extras 58. Come unglued 59. Flattened at the poles 60. Beneficial 63. Bag 64. Turns back, perhaps 67. Eminent 69. Blockhead 71. Sort 73. Decline 74. Astringent 78. Comedian Bill, informally 82. Cellist Yo-Yo