to the left bank, and, steering west by south, ascended a sandy limestone
ridge; then on a west-south-west course followed the valley of the river
down to its mouth, which was reached at 3.40 p.m. The entrance of the
river was choked up with sand and rocks, and not passable for even small
boats. This river appears to be the Irwin River of Captain Grey, as this
spot is only one and a half miles to the south of the position assigned
to it on Arrowsmith's map of this part of the coast. At 4.30 left the
beach and retraced our steps to where we crossed the river at 1.30, and
bivouacked at 5.50.

Latitude 29 degrees 15 minutes 10 seconds; longitude 114 degrees 59
minutes.

12th September.

At 7.50 a.m. resumed our journey up the river, steering north-east till
8.25; then east along the north bank, through rich grassy flats timbered
with York gum. At 10.20 left the river and entered the sandy downs; at
10.30 crossed a small stream with some fine springs; at 11.0 changed the
course to east by south; at noon altered the course to 83 degrees,
crossing the river at 12.50 p.m., where it is joined by the east branch,
which is of equal size with the northern one; followed the east branch up
through wide grassy flats till 2.0, and camped.

The country consists of elevated sandy downs covered with heathy bushes
and a few small banksia trees, it being only on the alluvial flats of the
river that there is any grass or good soil. Large flocks of
cockatoos--white, black with white tails, and black with red tails--came
to water near the camp; some were shot, also a turkey, the flesh of which
was extremely bitter and scarcely eatable. Several kangaroos were seen on