1: Ankle-knee connector

5: Hits the deck

10: Fly alone

14: Hard or soft addition

15: On the go

16: Rendered, as a compliment

17: Bit to split

18: Food from above, biblically

19: Scratched (out)

20: Nonproprietary

22: Lab monkey

24: Submerges

26: Personal quirk

27: Yellow-flowered plant

30: Vernal

35: Silly person

36: Center-to-quarterback transitions

37: Musclebound brute

38: Cry over spilled milk

39: Flies high

40: Barbie's ex-beau

41: Slim swimmer

42: Iodine sources

43: Unseeing

45: Perfumes

47: Awns

48: Opposite of paleo-

49: White wading bird

51: Secure

54: Changed from green to red

58: Margarita flavoring

59: Enervate

62: Pajamas cover

63: Skunk's funk

64: Telling it like it isn't

65: Capping

66: Wooden pins

67: Gridiron units

68: Post-Mardi Gras period

1: Booty

2: Really dislike

3: Hulks pump it

4: Arch enemy

5: Thin layer

6: By surprise

7: Dauphin's denial

8: Pester for payment

9: Fledgling businesses

10: When it's free it's priceless

11: Acorn droppers

12: Stead

13: Track figures

21: Jambalaya grain

23: Pete Rose had 4,256 of them

25: Nerve impulse transmission site

27: Go along

28: Scoundrels

29: Seasonal songs

31: Galley propellers

32: Hindu monk regarded as a holy man

33: Turn topsy-turvy

34: Provides with

36: Pump part

39: In the next place

42: Joint with a cap

43: Answering-machine sound

44: Coming from the side

46: Registers formally

47: Takes here

50: Coffee machine setting

51: Turkey

52: Subordinate staffer

53: Cause of a bad air day

55: Memo

56: Black, to a bard

57: Pt. of USDA

60: Scandinavian rug

61: Tune