This controversy was unfinished when Dalton published the first part of his New System of Chemical Philosophy in 1808, although the per saltum theory was the most popular.
Wagnerian harmony is, then, neither a side-issue nor a progress per saltum, but a leading current in the stream of musical evolution.
It was at this period that, to use his own words, he "passed per saltum from frivolity to philosophy."
In these solid solutions, as in aqueous ones, the ratios in which the different chemical substances are present are not fixed or definite, but vary from case to case, not per saltum as between definite chemical compounds, but by infinitesimal steps.
They were accused of ordaining serfs without the consent of their lords, consecrating bishops per saltum, i.e.
The chief points of difference were the calculation of Easter and the form of the tonsure, in addition to questions of discipline such as the consecration of bishops per saltum and bishops without dioceses.