It was in the progress of events, which may be justly called the sequel of the Kansas controversy, that Mr. Davis was most conspicuous during his second service in the Senate. His course was such as might have been anticipated from his zealous and vigilant regard for constitutional principles, and the rights and interests of his section. His feeble health had prevented his frequent participation in the struggles incidental to the Kansas question, but in those subsequent struggles, which marked the dissolution of the Democratic party, he was the constant, bold, and able adversary of Douglas. The ingenious sophistries of the latter were subjected to no more searching and scathing refutations than those with which Davis met his every attempt at their illustration. At this period the position of Mr. Davis was no less prominent than in 1850, though his speeches were less frequent and voluminous. Upon both occasions his elevation was an ample reward to honorable ambition, but would have been perilous in the extreme had he been deficient in those great and rare qualities which were necessary to its maintenance. Among his numerous contests with the distinguished exponents of the sentiment in opposition to the South, none are more memorable than his collisions with Douglas. Of these the most striking occurred on the 23d of February, 1859, and on the 16th and 17th of May, 1860. To have matched Douglas with an ordinary contestant, must always have resulted in disaster; it would have been to renew the contest of Athelstane against Ivanhoe. Douglas was accustomed to testify, cheerfully, to the power of Davis, as evinced in their senatorial struggles; and it is very certain that at no other hands did he fare so badly, unless an exception be made in favor of the remarkable speech of Senator Benjamin, of Louisiana. The latter was an adept in the strategy of debate, a parliamentary Suchet.