Taylor, 272; has only a few votes in convention of 1848, 273; disgusted with the nomination of Taylor, decides to support it, speech at Marshfield, 274; course on slavery, draws Boston memorial, 275; character of this memorial, 276; attack on slave-trade in Plymouth oration, 277; compared with tone on same subject in 1850, 278; silence as to slavery in Panama speech, 279; treatment of slavery in reply to Hayne, 279, 280; treatment of anti-slavery petitions in 1836, 281; treatment of slavery in speech at Niblo's Garden, 282, 283; treatment of anti-slavery petitions in 1837, 284; views as to abolition in the District, 285; attitude toward the South in 1838, 280; adopts principle of Calhoun's Enterprise resolutions in Creole case, 287; attempts to arouse the North as to annexation of Texas, 288; objections to admission of Texas, 280; absent when Mexican war declared, 290; views on Wilmot Proviso, 291; speech at Springfield, 292; speech on objects of Mexican war, 293; Oregon, speech on slavery in the territories, 294; speech on Oregon Bill, and at Marshfield on Taylor's nomination, 295; adheres to Whigs, declares his belief in Free Soil principles, 296; effort to put slavery aside, 297; plan for dealing with slavery in Mexican conquests, refutes Calhoun's argument as to Constitution in territories, 298; Clay's plan of compromise submitted to, 300; delivers 7th of March speech, 301; analysis of 7th of March speech, 301, 302; speech disapproved at the North, 303; previous course as to slavery summed up, change after reply to Hayne, 304; grievances of South, 305; treatment of Fugitive Slave Law, 305-308; course in regard to general policy of compromise; merits of that policy, 308-312; views as to danger of secession, 313, 314; necessity of compromise in 1850, 315; attitude of various parties in regard to slavery, 316; wishes to finally settle slavery question, 317; treatment of extension of slavery, 318; disregards use of slaves in mines, 319; inconsistent on this point, 321; interviews with Giddings and Free-Soilers, 322; real object of speech, 323; immediate effect of speech in producing conservative reaction, 324; compliments Southern leaders in 7th of March speech, 325, 326; effort to sustain the compromise measures, bitter tone, 327; attacks anti-slavery movement, 328, 329; uneasiness evident, 330; motives of speech, 330-332; accepts secretaryship of state, 333; writes the Hülsemann letter, 334; treatment of Kossuth and Hungarian question, 335; of other affairs of the department, 336: hopes for nomination for presidency, 337; belief that he will be nominated, 338; loss of the nomination, 339; refuses to support Scott, 340; character of such a course, 341-343; declining health, accident at Marshfield, 344; death and burial, 345; disappointments in his later years, 346; his great success in life, 347;