Chapter 24:
Voiceless Consonants /s/ and /θ/

1. Voiceless dental fricative [ş].
2. Voiceless dorsal alveolar fricative [s].
3. /s/ as voiced [z] before /d/.
4. /s/ as voiced [z] before some voiced consonants.
5. /s/ as voiceless [s] or voiced [z] before /r̄/.
6. /s/ as glottal aspiration [h] before /r̄/.
7. /s/ to silence before /r̄/.
8. /s/ to glottal aspiration [h] before any consonant, by Argentine speakers.
9. /s/ to glottal aspiration [h] before any consonant, by some Cuban speakers.
10. An Argentine speaker discussing the aspiration of /s/.
11. A Madrid speaker using the typical retroflex [s̍].
12. Another Madrid speaaker using the retroflex [s̍].
13. A Colombian speaker using tne retroflex [s̍].