Wednesday, 20th March, Brinkley Bluff, McDonnell Range. About 1 p.m. we were delighted with the sight and feeling of heavy rain. At about 4 the creek came down, and by sunrise it was running at the rate of five miles an hour--a new and delightful sight to behold. At about 9 the clouds were breaking and the rain lighter. We were all truly thankful for this great boon. It is too wet to move to-day; the horses are bogging up to their knees. After sundown we had a heavy thunder storm, accompanied by vivid lightning, and heavy rain from south-east and east. Wind from same direction.