1. Set of moral principles
6. Horn sound
10. Spheres
14. Sporting venue
15. Region
16. A tide
17. Breaches of duty
18. Comedian brothers
19. City in Yemen
20. Crumb-like topping on coffee cakes
22. Induces vomiting
24. Rodents
25. Sink a ship
26. Character in "A Streetcar Named Desire"
29. Pierce
30. Polynesian plant with edible roots
31. Remarkability
37. Genus of heathers and heaths
39. Plaything
40. Discoverer of radium, Marie _____
41. Waterproof coat or cloak
44. Post-dawn
45. Blade of tall grass
46. Gives an opinion
48. French for "Height"
52. Scheme or design
53. Actor ______ Borgnine
54. Fireplugs
58. Circle fragments
59. Genuine
61. Noise made during sleep
62. Unit of electrical force
63. Male singing range
64. Brilliant display
65. Female sheep
66. Claim on property for unpaid debt
67. Quantities of paper
2. Easy running pace
3. German for "Mister"
4. Engage by overlapping
5. Not formal
6. Domesticates
7. By mouth
8. Over (poetic)
9. Car for hire
10. Beginning
11. Respond to a stimulus
12. Trite
21. Comedian ____ Laurel
23. Area of the lower abdomen
25. Remains
26. Main stalk of a plant
27. Figure skater ____ Lipinsky
28. Singer ____ Clapton
29. Took to one's feet
32. Meat-eating aquatic mammal
33. The condition of emitting light
34. Ferrous
35. Rubber on a wheel
36. Longs or yearns
38. Buenos _____, Argentina
43. Retain
47. Device or software designed to resolve instructions
48. Lift and throw
49. Shot by a bow
50. Parental brother
51. Exams
52. Steel tower
54. Despise
55. Town in Campania Italy
56. Trolley
57. What the sun does at night
60. Inventor ___ Whitney