OBSERVER CROSSWORD PUZZLER

ACROSS 1. Perform on stage 8. April paperwork 16. Basutoland 17. Iroquoian language 18. Atomic number 2 19. “Dig in!” 20. Computer storage unit, informally 21. Factor affecting Google search results 23. Way, way off 25. Pa’s partner 26. Altar avowal 27. Warty hopper 28. Enlightenments in Buddhism 30. Lone-Star State 33. Breastplates 34. Stow, as cargo 39. Pours 41. Gastralgia 44. Quitter 46. Singing voice 47. Bindle bearer 51. Nautical support 53. Dermatologist’s concern 54. Cousin of a giraffe 56. Panasonic rival 58. Living things 60. Go for the pin 65. Iranian language 66. Lemon 67. Attack 71. Most shrimpy 72. Bibliographical abbr. 76. “Give it ___!” 77. Operating room 78. Pro ___ 79. Thick, sweet spread 82. Central 84. Computer monitor, for short 85. Linear unit 86. Made invalid 87. One out? 89. Hardship 90. Craft DOWN 1. Delighted 2. Greenery 3. Unsteady 4. Greeting for a dude or a bro 5. Store convenience, for short 6. Element-ary school subject? 7. “Animal House” party wear 8. Namely 9. + end 10. Canon competitor 11. Clean 12. Nigerian language 13. Bakery buy 14. Perlman of “Cheers” 15. Doofus 22. “__ as I say ...” 24. Santa ___, Calif. 29. Cleave 31. Cleopatra biter 32. Increase, with “up” 35. “Beowulf,” for one 36. Catch a glimpse of 37. Competes 38. “___ of Eden” 40. Daytime dramas 41. Grounded birds 42. 10 jiao 43. Scatter 45. First part 47. Rim 48. Creole vegetable 49. Captures 50. Brightly colored fish 52. Erratic 55. “What’s gotten ___ you?” 57. Curb, with “in” 59. Carbonium, e.g. 61. Ado 62. Goo 63. Shines 64. Subjects of wills 68. Meccan, e.g. 69. “Snowy” bird 70. Some like it hot 71. Vain displays 72. Hip bones 73. Curve 74. Son of Vafthrudnir 75. Hawk’s opposite 80. ___’easter 81. Alliance that includes Ukr. 83. Arid 88. Connected