1: Caisson

6: Hot tubs

10: Investigator's assignment

14: Less common

15: State of unconsciousness

16: They may be liberal

17: Fish tank plant life

18: PC software

19: Nitty-gritty

20: Show of fear

22: Summon with a beeper

23: Diminutive dog

24: Artgum, for example

26: Small pet

30: Washroom tub

32: Provide with gear

33: ___ de mer (seasickness)

34: Flavored cucumbers

38: PETA anathemas

39: Get ready for a fight

40: Oahu bash

41: Garden covers, maybe

43: ___ culpa

44: Investigate, with 'into'

45: Gumbo ingredients

47: Threw off

48: Canine star

51: Spoil

52: Is short and shy

53: Acumen

60: Summoned

61: On-line discussion

62: Mr. ___ (handyman)

63: Lingerie buys

64: Magazine founded by Henry Luce

65: Come together

66: Deep desires

67: Stepped on it

68: Relax

1: Mountain goat's perch

2: Angelic aura

3: Thus

4: Geographical seven

5: Cradle locale, in a lullaby

6: Like snakeskin

7: English poet Alexander

8: Band boxes?

9: Cummerbund's cousins

10: Bell towers

11: Geometry calculations

12: 'All the world's a ___' (Shakespeare)

13: Any acetate, chemically

21: Muddlement

25: Free

26: Where Barry Bonds plays, briefly

27: Water color

28: Happy cat's sound

29: Turn out

30: Exposes

31: ___ mater

33: Cass Elliot, once

35: Peaceful period

36: Bathe

37: Went to court

42: Biathlon need

44: Horrendous

46: Flinches or frowns, say

47: Golf range surface

48: Influence group

49: Clued in

50: Chrysler product

51: Toned down

54: Use UPS

55: Unresisting

56: Span's inches

57: Stage direction

58: In ___ (unmoved)

59: Blended-family prefix