6. College instructor (abbr.)

10. Acad.

14. Chatter

15. Vagrant

16. Taboo

17. Uncertain

20. Cambridge sch.

21. Curve

22. Fencing action

23. Ethereal

24. Asian arid spot

26. Stymied

33. Do-nothing

34. Blackguard

35. Game piece

36. Kipling's "Gunga ___"

37. Prepares for planting

39. CEO's degree, usually

40. Flight data, briefly

42. Amscrayed

43. Small drum

45. Urgent or desperate situation

49. Takes more than one's share

50. Beach, basically

51. Hound's trail

54. Hokkaido native

55. Southeast Asian people

58. Relax & enjoy

62. Husk

63. Long, long time

64. Broke off

65. Fail to see

66. Beams

67. Papa

1. Jack-in-the-pulpit, e.g.

2. South American Indian group

3. Agitated state

4. Like 63A

5. Aardvark

6. Benzene derivative

7. Route

8. Eastern tie

9. In favor of

10. Inherent

11. "High" time

12. Like a bug in a rug

13. Carryall

18. Basil, e.g.

19. Goya's "Duchess of ___"

23. "Tarzan" extra

24. Vex, with "at"

25. "What are the ___?"

26. Bathroom cleaner?

27. Writer Wharton

28. Arm bones

29. Desktop pictures

30. Oblivion

31. Bend

32. Desire strongly

37. Bluenose

38. Pool exercise

41. Groups of fish

43. Like 6A might be

44. Make sense, with "up"

46. Noisemaker

47. Some Russians

48. Hindu princess

51. Type of dance

52. "Frasier" actress Gilpin

53. "Miss ___ Regrets"

54. Call to a mate

55. Mary Lincoln, nee .....

56. Blown away

57. May event, for short

59. Musician's asset

60. Caribbean, e.g.

61. Genetic transmitter