1. 2/3rds of a dozen
6. Swine
9. A ring-shaped surface
10. Registered nursing assistant
11. Abnormal
12. Black gunk
13. Cry of disgust
14. Ends a prayer
16. Animal friends
17. Petrol
18. Not hers
19. Accede
22. The 19th letter of the Greek alphabet
23. Range
24. Female sheep
25. Small finch
1. Estimated time of arrival
2. Charged particle
3. Ugly
4. "To err is _____"
5. Russian emperor
6. University instructor
7. A northern people
8. Not liquids or solids
14. Marble
15. Colorful parrot
16. Fragment
18. Snake sound
20. Consumer Price Index
21. Poetic time of day