issues order to arrest Maryland secessionists, 287;
orders Scott to suspend writ of habeas corpus, 287;
denounced by Taney, 288;
issues proclamation authorizing further suspension, 289;
states his argument to Congress, 289, 290;
calls for more volunteers, 291;
takes pains with message which he sends to Congress, 292;
on neutrality of Kentucky, 292;
on blockade, 293;
on secession, 293-295;