1. Regulates the environment
4. River in NE Scotland
7. Ancient country
12. Dekaliter
13. Director/actor ___ Howard
14. Makes reefs
15. Egg-shaped terra-cotta instrument
17. Capital of Guam
18. Founder of Babism
19. __ student, learns healing
21. A woolen cap of Scottish origin
22. Abba __, former Israeli politician
24. The god of the sun in ancient mythology
25. Any activity that is performed alone without assistance
26. Computer memory
27. Castanets
29. Natives of the Arabian peninsula
31. Used esp in medicine and photography and in dyes
35. Paddling
37. The bill in a restaurant
38. Portuguese nurses
41. Fed
42. Light taps
43. Popular PC graphics file format
44. Leaf or strip from a leaf of the talipot palm
45. Crony
46. Nostrils
48. Embroidering
52. Utters
53. Potato state (abbrev.)
54. Airtight sealed metal container for food or drink
55. Wife of Mohammed
56. Shaped rotating disk to convert circular into linear motion
57. Engine additive
2. Political action committee
3. Southern US state
4. Negligible amount
5. The longest division of geological time
6. Inspire with love
7. Any of several carangid fishes
8. Domestic swine
9. The Muse of lyric and love poetry
10. Ordinary
11. San Antonio fort
16. Hurried
22. A major division of geological time
23. Usually metal placed in windows to prevent escape
24. Of the lower back
25. Depressed or unhappy
27. __ Farrow, actress
28. Roll steel ingots
30. Mammal genus
32. Slanted fonts
33. Catch or apprehend
34. Travelling towards the southeast
38. Transient cessation of respiration
39. Florida city
40. Cricket frogs
42. Father
44. Mythological mountain
45. A small carriage in which a baby or child is pushed around
47. Ethiopia (abbrev.)
49. Government computer language
50. __ King Cole, musician
51. Gross National Product