1: Butcher's leavings

6: Armed conflicts

10: 'Rats!'

14: Flying solo

15: Sow's opposite

16: State peremptorily

17: 66, for one

18: 'Cessa di più resistere,' for one

19: Pansophic

20: Concert program listing

22: Prom escort

23: Milliner's stock

24: Like magma

26: Diving bird

30: Conductance units

32: Equals

33: Way to a freeway

35: Boot binding

37: Little tykes

39: Buzzard food

44: Drainpipe bend

46: Imparted knowledge

47: Black band of mourning (Var.)

51: Pioneering video game

53: Miffed, with 'off'

54: Change for the better

56: Speak well of

58: Piercing tools

59: Remove from the face of the earth

65: Sigma Nu, for short

66: Ammonia compound

67: Stupid mistake

68: Unresisting

69: Peel

70: Solution's strength

71: Stepped on it

72: Promontory

73: Loses weight (with 'down')

1: Galley propellers

2: Slippery sheet

3: Basketball game stopper

4: Players may up it

5: Bloodsucker

6: Visible spirit

7: Deodorant type

8: Parade spoiler

9: Sudden burst of energy

10: Lallygag

11: Do the Wright thing?

12: Empty ___

13: Spinach, etc.

21: Fiddle

25: La Scala offering

26: Beat walker

27: Undivided

28: Unwrought iron

29: Fancy marble

31: Pouch in the body

34: Rhythmic pattern in poetry

36: Strong string made from dried intestines

38: Tree fluid

40: Slice

41: Historical period

42: '___ Loves You'

43: Avg.

45: They may cause tearing

47: Skilled trades

48: Cover over

49: Blazing

50: Tacked up

52: Water nymphs of mythology

55: Grieve

57: Items in red

60: Soft cheese

61: Irritate

62: Knock preceder

63: Overflow

64: Slips