Chapter 28:
The Tap and Trill Consonants /r/ and /r̄/

1. Voiced alveolar tap /r/in a consonant cluster.
2. Voiced alveolar tap /r/between vowels.
3. Voiced alveolar tap /r/in final position.
4. Voiced alveolar trill [r̄] in syllable-final position.
5. The trilled [r̄] in word-final position, exaggerated for special effect.
6. The trilled [r̄] at the beginning of a word.
7. The trilled [r̄] within a word between vowels.
8. The voiceless alveolar trilled [r̥̄] in various positions.
9. The voiced alveolar fricative [ř], by Ecuatorian speakers.
10. The voiced alveolar fricative [ř], by Colombian speakers.
11. The voiced alveolar fricative [ř], by Costa Rican speakers.
12. The voiced alveolar fricative [ř], by a Guatemalan speaker.
13. The voiceless alveolar fricative [ř̥], by Guatemalan speakers.
14. The voiceless alveolar fricative [ř̥], by Ecuatorian speakers.
15. The voiceless alveolar fricative [ř̥], by Puerto Rican speakers.
16. The voiceless alveolar fricative [ř̥] after /t/, by a Colombian speaker.
17. The voiceless alveolar fricative [ř̥] after /t/, by an Ecuatorian speaker.
18. The voiceless alveolar fricative [ř̥] after /t/, by a Costa Rican speaker.
19. A Costa Rican speaker discussing these fricative varieties of the tap /r/ and trilled /r̄/.
20. The substitution of /l/ for /r/ in syllable-final position, by Puerto Rican speakers.
21. The substitution of /l/ for /r/ in syllable-final position, by a Panamanian speaker.
22. A Puerto Rican speaker using the voiceless velar or uvular [X].