The basalt has been again broken by still more recent fissures, through which streams of lava have risen and expanded over the neighbouring rock.
May 20 .-- We moved our camp about eighteen miles N.N.W., to Separation Creek, the latitude of which was 18 degrees 2 minutes 22 seconds.
John Murphy found Grevillea chrysodendron in blossom, the rich orange colour of which excited general admiration.

The stringy-bark tree, and Tristania, were growing on the sandy soil, and the latter near watercourses.

Several native bustards (Otis Novae Hollandiae, GOULD.) were shot, and I found their stomachs full of the seeds of Grewia, which abounded in the open patches of forest ground.

In crossing a plain we observed, under the shade of a patch of narrow-leaved tea trees, four bowers of the bowerbird, close together, as if one habitation was not sufficient for the wanton bird to sport in; and on the dry swamps I mentioned above, small companies of native companions were walking around us at some distance, but rose with their sonorous cu-r-r-r-ring cry, whenever Brown tried to approach them.

[The natives of Argyle call the cry of the native companion, Ku-ru-duc Ku-ru-duc; the natives of Port Essington call the bird Ororr .-- NOTE BY CAPT.