MELALEUCA.[*] Thermometer, at sunrise, 23 deg.; at noon, 58 deg.; at 4 P.M., 63 deg.; at 9, 29 deg.; with wet bulb, 18 deg.. [* M. TAMARISCINA (Hook. MSS.); ramosissima ramulis gracillimis copiose excavatis e foliis delapsis, foliis rameis remotis parvis ovatis acuminatis appressis, ramulinis minutissimis squamaeformibus convexis obtusis imbricatis immersis, capsulis circa ramos spicatis parvis globosis.--A very singular MELALEUCA, somewhat allied to M. HUGELII, Endl.: but extremely different in the very minute squamiform leaves of the copious slender branchlets, from which they fall and leave the bleached slender branchlets full of little pits or cavities in which the leaves had been, as it were, sunk.] 5TH AUGUST.--The last-found river not having answered my expectations, we had come quite far enough from the one we had previously followed, which still might have turned N.W., where we wished it to go; although I confess the prospect was by no means promising. The doubt was still to be removed, and, after a night passed without water, the earliest dawn saw us again going forward, in a direction a little to the eastward of N. It was only after pursuing that line for seventeen miles, that we again found the river, unchanged in character, and still running northerly. This was a trying day for our animals, as they could not be watered until long after it was dark; a brigalow scrub, full of much fallen timber, having retarded and impeded the carts so that they could not be got to the water sooner. Nor had this been possible, even then, but for the fortunate circumstance of our having the light of a nearly full moon. I had preceded the party by some miles, accompanied by Yuranigh, the rest following my horse's tracks, and I had thus passed through the four miles of scrub, and reached the river early in the day. On returning, we found the party in the midst of this scrub, and succeeded in guiding it, even by moonlight, to the pond at which we had watered our horses during the day. Many dry hollows of indurated mud appeared, as usual, in the brigalow we had passed through; and we endeavoured to lead the carts, as much as possible, through these hollows, in order to avoid the dead logs, many of which we were obliged to cut, before the carts could pass. Many deep impressions of natives' feet appeared in these clay hollows; also the tracks of emus. Yuranigh showed me several tracks where a native had been following a kangeroo's track; and he told me of a certain method adopted by the natives of killing the kangeroo during wet weather,--which is, to pursue the track, following it up day after day, until they overtake the animal, which, on being so incessantly followed, becomes at length so defenceless, that one native can despatch it with a tomahawk. According to the barometer, it appeared that this river was not now much higher above the level of the sea, than the Bogan or the Balonne. Still