About twenty leagues south of the Pekitanoni, and a little more to the southeast, they discovered the mouth of another river, called _Ouabouskigou_ (Ohio), in the latitude of thirty-six degrees; a short distance above which, they came to a place formidable to the savages, who, believing it the residence of a demon, had warned Father Marquette of its dangers. It proved nothing more than a ledge of rocks, thirty feet high, against which the waves, being contracted by an island, ran with violence, and, being thrown back with a loud noise, flowed rapidly on through a narrow and unsafe channel. The Ouabouskigou came from the eastward, where the country was thickly inhabited by the tribe of _Chuouanons_, a harmless and peaceful people, much annoyed by the Iroquois, who were said to capture them as slaves, and kill and torture them cruelly. A little above the entrance of this river were steep banks, in which the boatmen discovered iron ore, several veins of which were visible, about a foot in thickness, portions of it adhering to the flint-stones; and also a species of rich earth, of three different colors, namely, purple, violet and red, and a very heavy red sand, some of which, being laid on an oar, left a stain during fifteen days. They here first saw tall reeds, or canes, growing on the shores, and began to find the _maringouins_ (mosquitoes) very troublesome; the attacks of which, with the heat of the weather, obliged the voyagers to construct an awning of the sails of their canoes. Shortly afterwards they saw savages armed with muskets, waiting their approach on the bank of the river. While the boatmen prepared for a defence, Father Marquette presented his calumet and addressed them in Huron, to which they gave no answer, but made signals to them to land, and accept some food. They consequently disembarked, and, entering their cabins, were presented with buffalo's meat, bear's oil, and fine plums. These savages had guns, hatchets, knives, hoes and glass bottles for their gunpowder. They informed Father Marquette, that he was within ten days' journey of the sea; that they purchased their goods of Europeans, who came from the east, that these Europeans had images and beads, played on many instruments, and were dressed like himself; and that they had treated them with much kindness. As they had no knowledge of Christianity, the worthy Father gave them what instruction he could, and made them a present of some medals. Encouraged by the information received from these savages, the party proceeded with renewed ardor on their voyage, between banks covered with thick forests, that intercepted their view of the prairies; in which, however, they heard at no great distance the bellowing of buffaloes. They also saw quails upon the shores, and shot a small parrot.