1: Any acetate, chemically

6: Tiff

10: Jailbirds

14: Guardian of underground treasures

15: Connecting point

16: Civil unrest

17: Chopper precursors

18: High spd. phone line

19: Players may up it

20: Some museum pieces

22: Place at an angle

23: Pasta piece

24: Whistle-blowers, of a sort

26: Pitched things

29: Not suitable

33: Night birds

37: Pigeon patter

38: No great shake

39: Boxing match

40: 'Survivor' grouping

42: Starch from palms

43: MCs prepare them

45: Auction offering

46: Wearing wedgies, say

47: Operate the rudder

48: Loved ones

50: Up to the task

52: Ear bone

56: Family nickname

59: Infrequent

63: Unaccompanied

64: Word on a gift tag

65: Panoramic view

66: One working with Linux, e.g.

67: Secretarial fill-in

68: Campaign poster plea

69: Kittens' cries

70: Geographical seven

71: Woodworking machine

1: They're beaten in the kitchen

2: Peevish states

3: Synagogue scroll

4: Be a ham

5: Upshot

6: Blue funk

7: Station

8: Vipers

9: On pins and needles

10: Insensitivity

11: Sty cry

12: Memo

13: Hearty meal

21: Chooses

25: It may be synthetic

27: Easter preceder?

28: Linen fabric

30: Indian housemaid

31: Okefenokee Swamp inhabitant of fiction

32: Trampled (on)

33: Geishas' sashes

34: Refuses to

35: Long-necked instrument

36: Ornamental ribbons

38: Colorful aquarium fish

41: Constricting snake

44: Eyeball

48: Formal order

49: Blubber

51: Spots for choirs

53: Unveiling comment

54: Map legend, usually

55: Gate holder

56: Bummed out

57: Thorny flower

58: Freshly

60: State of unconsciousness

61: Band boxes?

62: Not on schedule