1: Hansom vehicle

4: Spoiled child

8: '___ ex machina'

12: Fly alone

13: Greek letter

14: Duds

16: Hawaiian dance

17: Raggedy Ann or Raggedy Andy

18: ___ Carta

19: Separated

21: Baby powder

23: Leak slowly

24: Attention getter

25: Thin-bladed tools

27: Get going

29: Believed

30: Block passage through

31: Unit of oil production, briefly

34: Let live

37: Informer

38: Not the other guy

39: Communally owned

40: Leaf in many sculptures

41: Ice mass

42: LP measure

43: Act the butterfly

45: Lowers in esteem

47: Cargo compartment

48: Check

49: Very familiar with

50: 28,800 seconds before midnight

51: Campbell of country music

52: Massage

55: Ceremonial practice

58: Utter loudly

60: Wrap around

62: Proved to be human

64: Enthusiastic

66: Brainwave

67: Unveiling comment

68: Final prelim

69: Cistercian, e.g.

70: A bit too interested

71: Trudge, as through sludge

72: Wrap up

1: Two-door car

2: Put to rest

3: Big pig

4: Ebay posting

5: Deeply embedded

6: Bodybuilder Charles

7: Companion of dark and handsome

8: Block up

9: Remove graphite or graffiti

10: Strongly advise

11: Rational

12: Former Iranian ruler

15: Talk foolishly

20: Quaker's address

22: Movie detective Charlie

26: Trite

28: Tick off

29: 9 - 5, e.g.

30: Important

31: Tournament advantages

32: The death of the party?

33: Totes

34: Gather on a surface

35: Cocoon's contents

36: Word before ant or brat

37: Like a fiddle?

40: Little lie

41: Prohibition

43: Uploading initials

44: Follower of Mary

45: Musclebound brute

46: Niven's 'Casino Royale' role

49: Of last month

50: Has a hunch

51: Hammer for a court justice

52: Hazardous gas

53: Turn topsy-turvy

54: Honker

55: Gun in the garage

56: Hulks pump it

57: Group of three

59: Glasgow girl

61: Frost's frost

63: One rotation of the earth

65: Do some research