1: In mourning

4: Sort of blue

8: Points

12: Investigator's assignment

13: Primordial sludge

14: Coral reef

16: Artifice

17: Spoiled child

18: Spirit in a bottle

19: Sour

21: Group of three

23: Cass Elliot, once

24: Moisten

25: Handwoven rugs

27: Used to be

29: Call a cab

30: 'Treasure Island' pirate

31: Job for the Blues Brothers

34: Whalebone

37: Remain

38: Place (a bet)

39: Pretty good

40: Burger roll

41: Drainage reservoir

42: Eye liner?

43: On-line discussion

45: Scales

47: Whichever

48: Feed seed

49: Busy sort

50: Curtain call response

51: Summon with a beeper

52: Gaping mouth

55: Up to the task

58: Tiff

60: Prefix with virus

62: Like green tomatoes of film

64: Multigenerational story

66: Golden Rule preposition

67: Musical pace

68: Pumice source

69: Rolling stone's lack, proverbially

70: Adam of 'Batman'

71: Got out of Dodge

72: Get nosy

1: It covers your ribs

2: Balance sheet positive

3: Whitetail buck

4: Hold up

5: Pertaining to the largest artery

6: Bygone leaders

7: Bigfoot's Asian cousin

8: Carp constantly

9: Things in a shopping basket

10: ___ fide

11: Not very likely

12: Where something may stick

15: Grassland

20: Scottish hillside

22: Was in the red

26: Yang's opposite

28: Electrify

29: Attention getter

30: Seamstress's sticker

31: Bummed out

32: Metric foot

33: Swindles

34: Gaucho's cattle catcher

35: Analogous

36: Woman of wealth, often

37: Otherwise

40: Take one's cuts

41: Churchill's title

43: Pigeon patter

44: Hems partner

45: Minor player, so to speak

46: Dirty look

49: Latin case

50: Blows the horn

51: Of the Holy See

52: Like some keys

53: Unable to sit still

54: Courts

55: Sternward

56: Make java

57: Margarita flavoring

59: Ill-gotten gain

61: Round mound

63: Morse code component

65: Lowlife