Humbert, Jean Joseph Amable, French general, a volunteer at the battle of New Orleans, viii. 380. Humphreys, S. P., captain of the British frigate “Leopard,” iv. 4; his note to Commodore Barron, 12. Hunt, Samuel, member of Congress from New Hampshire, ii. 160. Hunt, Major Seth, sounded by General Wilkinson, iii. 222. “Hunter,” 10-gun British brig on Lake Erie, vii. 120. “Hyder Ali,” privateer, viii. 195. Illinois Territory, population in 1810, i. 289. Immigration in 1816, ix. 160, 161. Impeachment (see Pickering and Chase), its political use, i. 256; Jefferson’s opinion on the use of, ii. 144, 150; the Senate, in Pickering’s trial, sits as a court of, 153, 154; the Senate holds insanity no bar to, 155–157; Giles’s doctrine that the Senate is not a court of, 221, 222; doctrine of Chase’s counsel that indictable misdemeanors are the only ground for, 223; Campbell’s doctrine of an inquest of office for, 224; theory adopted by the House that a mistake in law is ground for, 225; Hopkinson’s argument on, 231; Luther Martin’s argument on, 232; Nicholson’s view of, 233; Rodney’s view of, 234; Jefferson’s view of, as a scarecrow, 243; Chase’s trial fails to decide the nature of, 244; a farce, iii. 447; Marshall threatened with, 466. Imports (see Exports). Impressment of seamen, ii. 335 _et seq._, 358, 384, 393, 394, 421, 423; act of Congress punishing, 397, 420; severity of, iii. 93, 94; Monroe instructed to require abandonment of, 400; Monroe disregards instructions in, 408, 409; Madison insists on express abandonment of, 422, 429, 432; Samuel Smith on, 434; Madison prepares new instructions on, 438; included in instructions on the “Chesapeake” affair, iv. 39, 45, 47, 162–164; British proclamation on, 52, 166; Jefferson’s intentions on, 144, 164, 353; not a voice raised in 1809 against, v. 74; little complaint in 1810, 292; the House refuses to insist upon in February, 1811, 351, 352; not expressly mentioned by Pinkney, vi. 18; or in the annual message, 125; first made a _casus belli_ in the autumn of 1811, 116–118; treated by House Committee of Foreign Relations, 134, 135; mentioned by Grundy, 139; by Madison’s war message, 222; only obstacle to peace, 430–432, 450–452; extent of, 451, 452; cost and value of, vii. 19; right of, partially conceded by Monroe’s instructions, 47; abandonment of, a _sine qua non_, 47; Alexander Baring’s remark on, 343; abandoned by the Cabinet June 27, 1814, as a _sine qua non_, viii. 122; ix. 32, 33; insisted upon by Monroe’s instructions of Jan. 28, 1814, ix. 11.