There is, therefore, a clear discordance between the Trias and all older strata in Arran.
The discordance in zero, when known to exist, is really of no consequence, because the observations can be so arranged as to eliminate it.
The more the discordance in genera and species diminishes (Principles, ii.
6), and a modern writer imagined that he reconciled this discordance by the supposition that he was born at Athens, but lived at Alexandria.
The discordance of their results incited Laplace to a searching examination of the whole subject of planetary perturbations, and his maiden effort was rewarded with a discovery which constituted, when developed and completely demonstrated by his own further labours and those of his illustrious rival Lagrange, the most important advance made in physical astronomy since the time of Newton.