efore the words heir, herb, honest, honor, and hour, and their compounds, instead of the article a, we make use of an, as the h is not sounded; likewise before words beginning with h, that are not accented on the first syllable: such as heroic, historical, hypothesis, &c., as, "an heroic action;" "an historical work;" "an hypothesis that can scarcely be allowed." The letter h is seldom mute at the beginni