Several very large black martins, with white or grey heads, were hovering over the ship this morning; and many flights of small white tern, and a bird, commonly called the razor-bill, passed and re-passed the ship every morning and evening, flying from the bay to seaward, and returning at sunset. Two water snakes were shot alongside the ship during the day; the largest measured four feet, and was of a dirty yellow colour. A good-sized fish was taken from the stomach of one of them. Their fangs were particularly long, and very much flattened, having no cutting edge whatever. Some turtle also passed the ship to-day, and a day or two afterwards we were fortunate enough to shoot one which weighed 160 pounds: he had ample justice done to his merits. It was high-water at 1.50 P.M., and the stream changed at the same time, a circumstance conclusively demonstrating that we were not anchored in a strait. January 18. We got underweigh in the morning, but from the shallowness of the water anchored within a mile east of our former position. THE NATIVE MIAGO. The native Miago, who had accompanied us from Swan River, was most earnest in his inquiries about the savages, as soon as he understood that some of them had been seen. He appeared delighted that these blackfellows, as he calls them, have no throwing sticks; for though at times exceedingly valiant in conversation, and very anxious to kill one of the men, and carry off one of their gins, or wives--the great end, aim, and ambition of all Australian force or policy--he yet evidently holds these northmen in great dread. They are, according to his account, "Bad men--eat men--Perth men tell me so: Perth men say, Miago, you go on shore very little, plenty Quibra men* go, you go." These instructions appear to have been very carefully pressed upon him by his associates, and certainly they had succeeded in inspiring him with the utmost dread of this division of his fellow countrymen, which all his boasting about killing some of them and taking one of their women as proof of his prowess, back to Perth, failed to concern. (*Footnote. i.e. Men of the ship.) CLOUDS OF MAGELLAN.