Revised version of an inaugural lecture at Ohio State University, November 29, 1971; research supported by the John Simon Guggenheim Memorial Foundation. (DD)

Discusses the types of arguments available for settling questions of phonological constituency. On the basis of these arguments the most frequently assumed syllable structure is selected in which the relationship between "Peak" and "Coda" is closer than that between "Peak" and "Onset." (Author/LMO)

Presents: (1) the basic facts of vowel-zero alternations and palatalization in Polish; (2) a nonlinear account of the vowel-zero alternations; (3) a reanalysis of palatalization facts in terms of morpholexical rules; and (4) speculations relating to learnability considerations and the nature of linguistic theory construction. (CB)

The autosegmental rule of vowel harmony (VH) in Palestinian Arabic is shown to be constrained simultaneously by metrical and segmental boundaries. The indicative prefix bi- is no longer an exception to VH if a structure is assumed that disallows the prefix from sharing a foot with the stem, consequently blocking VH. (Author/LMO)