The evidence on these points is disputable, but now, or not long after, Huntly, Bothwell, Lethington and Argyll signed a " band " for Darnley's murder.
Richardsoni, a name that correctly applies only to whole-coloured examples, for this species too is dimorphic. Even its proper English name 4 is disputable, but it has been frequently called the Arctic gull or Arctic skua, and it is by far the commonest of the genus in Britain, and perhaps throughout the northern hemisphere.
But the Speech on Conciliation (1775) has, perhaps, been more universally admired than any of his other productions, partly because its maxims are of a simpler and less disputable kind than those which adorn the pieces on France, and partly because it is most strongly characterized by that deep ethical quality which is the prime secret of Burke's great style and literary mastery.
The attempt to disengage the history of times forgotten and unknown, by means of analysis of roots and words in Aryan languages, has been unsuccessful, or has at best produced disputable results.
One reason was the intellectual difficulty of the subject and the double-faced character of all arguments from statistics, which were either incomprehensible or disputable; another was the fact that substantially this was a political movement, and that tariff reform was, after all, only one in a complexity of political issues, most of which during this period were being interpreted by the electorate in a sense hostile to the Unionist party.