1. Cause of "red tides": _____ bloom
6. Jerk
10. Banned insecticide
13. Large-eyed lemur
14. "Aquarius" musical
15. Two-toned treat
16. Adage, part 1
19. Essence
20. Hot spot
21. Cover loosely
22. Not yet final, at law
24. Raspy
25. Kind of pie
27. Disorderly array
31. Breathing problem
33. Ticket info, maybe
34. Invitation request
38. Adage, part 2
41. A chip, maybe
42. Highlands hillside
43. Accumulate
44. Singer & painter: Tony ______
46. Sylvester, to Tweety
47. Appall
51. Bridges of Los Angeles County
53. In base 8
54. Bad day for Caesar
57. To the left
60. Adage, part 3
63. Exclusive
64. Appraiser, in a way
65. Heirloom location, often
66. Victorian, for one
67. Lined with stately trees
68. Film units