84;
congressional delegate seated, 76;
divided, 76, 84, 85;
enters second degree, 75;
first sale of public land in, 75;
judges, 62;
laws, 83, 84;
magistrates, 61;
mention, 58;
taxation, 83.

O

Ogee's (Dixon's) ferry, 152.

Oglesby, _Rev._ Joshua, rep., 113.

Ohio, emigration to, 76, 190;
population, 91, 181;
public land sale, 144.

Ohio Company, 71.

Ohio river, boundary of Illinois, 10;
settlers, 88;
settlers northwest of, 18, 19.

Ordinance of 1784, 46.

Ordinance of 1787, 40;
amendments to, 115, 116;
anti-slavery article, 176 _et seq._;
college township reserved by, 101;
effect on Illinois country, 54, 55;
violation of, 87.

Ottawa Indians, 135.

Ouia, town, 30.

Ouia (Wea) Indians, 29.

Ouisconsin (Wisconsin) Territory, Galena claimed by, 150.

P

Paget, M., mill built by, 193.

Palestine, sale of public lands at, 137.

Parker, Joseph, of Kaskaskia, 53, 54.

Peck, _Rev._ John M., Baptist minister, 124, 125, 192.

Peltry, debts paid in, 21, 43, 60.

Peoria, Indian agent at, 134;
mention, 79.

Peoria Indians, 12.

Philips, Joseph, territorial secretary, 113.

Piankashaw Indians, 81.

Pierre, Eugenio, 38.

Pike county, separated from Madison, 188.

Pioneer clergy, 191 _et seq._

Pirogues, 93, 94, 160.

Plums, at Smith's Prairie, 129.

Pollock, Oliver, 40.

Polypotamia, mention, 46.

Pope, Nathaniel, and the northern boundary, 115, 116;
delegate in Congress, 113.

Population, 1788, 70;
1785-1799, 82;
1801, 88;
1790-1810, 91;
1818, 116;
1812, 113;
1820-1840, 187, 188;
French, 1766-1777, 12.

Post routes. _See_ Mail routes.

Post Vincennes, court regulations for, 59, 135.
_See also_ Vincennes.

Potatoes, price, 97, 164.

Potawatomie Indians, 134.

Prairie du Chien, inhabitants, 1801, 88.

Prairie du Rocher, bounty lands, 57;
inhabitants, 1766-1777, 12;
1801, 88.

Prairies, 83, 86, 97, 109, 131, 156;
fertility of, 165 _et seq._;
settlement, 130, 131.

Preemption rights, 72, 75, 77, 78, 100, 102, 111, 113, 139, 144, 152;
in various states, 102 _et seq._

Presbyterians, at Galena, 175;
Cumberland Presbyterians, 143.

Prices of commodities, 49, 59, 97, 130, 131, 164;
of land, _see under_ Land.

Priests, French, emigrate from Illinois, 68.

Pro-slavery agitation. _See under_ Slavery.

Provisions, scarcity of, 21-23, 25, 28.

Public lands, donated for schools and interna