1. Constellation bear
5. Platter
9. Sourish
13. Shower
14. Convulsion
16. Pearly-shelled mussel
17. Citrus fruit
18. A type of necklace
19. Not a single one
20. Slenderizes
22. Stockholders' profits
24. Take it easy
26. A type of coffee
27. Catastrophic
30. Withhold
33. Built-in
35. Alarm
37. Grippe
38. Swelling under the skin
41. Prefix meaning "Modern"
42. Duck down
45. Prescribes
48. Incumbency
51. Aridness
52. Banquet
54. Goddess of discord
55. Banked
59. Leaves out
62. Food thickener
63. Challenges
65. Nursemaid
66. Brass component
67. A throat infection
68. Tropical tuber
69. Being
70. Not difficult
71. If not
2. Train track
3. Likeness
4. Windflower
5. Downturn
6. Anagram of "Dice"
7. Sedate
8. Veered
9. Melodic
10. Again
11. Peel
12. Foot digits
15. Slash
23. 20th-century art movement
25. Attraction
27. Abundant
28. Dim
29. Unhappy
31. Hundredth
32. Tall woody plants
34. Directed
36. Throw
39. Central
40. Unit of land
43. Implement
46. Apprentice
47. Enliven
49. Forays
50. What's left behind
53. Latin name for our planet
55. Stupor
56. Auspices
57. Shallow metal containers
58. D D D D
60. Sailors
61. Sneaker or pump
64. Operative