Until 1970, Ethio-Semitic was believed to be the only Semitic language sub-family in which the main correlate of “emphasis” is glottalization, a feature said at the time to be due to Cushitic influence. Since the work of T.M. Johnstone, however, it has been argued that glottalization is a South Semitic feature, attested not only in Ethio-Semitic, but also in the Modern South Arabian languages. Two statements in the literature on Modern South Arabian, however, suggested to us that the original evidence needed to be re-investigated: first, some of the “ejectives” are described as at least partially voiced, not a phonetic impossibility, but so far unheard of in the phonological system of any language; and secondly, the degree of glottaliz...