Andaman for those who don't know him was a Abbot who chronicled the life of the saint in the seventh century about 150 years after St Columba died
his account of St Columba (Vita Columbae) contains the first mention of the Loch Ness monster anywhere
now pay attention because there is a question at the end of this post

heres the first chapter I'd like you to read it concerns an event that took place not far from Iona
now heres the famous mention of the Loch Ness MonsterCHAPTER XIII.
How the Saint knew and told beforehand about a great Whale.
ONE day when the venerabIe man was staying in the Iouan island (Hy, now Iona), a certain brother named Berach intended to sail to the Ethican island (Tiree), and going to the saint in the morning asked his blessing. The saint looking at him, said, "O my son, take very great care this day not to attempt sailing direct over the open sea to the Ethican land (Tiree); but rather take a circuit, and sail round by the smaller islands, for this reason, that thou be not thrown into great terror by a huge monster, and hardly be able to escape." On receiving the saint's blessing he departed, and when he reached his ship, he set sail without giving heed to the saint's words. But as he was crossing over the larger arms of the Ethican sea, he and the sailors who were with him looked out, and lo, a whale, of huge and amazing size, raised itself like a mountain, and as it floated on the surface, it opened its mouth, which, as it gaped; was bristling with teeth. Then the rowers, hauling in their sail, pulled back in the utmost terror, and had a very narrow escape from the agitation of the waves caused by the motion of the monster; and they were also struck with wonder as they remembered the prophetic words of the saint. On the morning of that same day, as Baithene was going to sail to the forenamed island, the saint told him about this whale, saying, "Last night, at midnight, a great whale rose from the depth of the sea, and it will coat this day on the surface of the ocean between the Iouan and Ethican islands (Iona and Tiree)." Baithene answered and said, "That beast and I are under the power of God." "Go in peace," said the saint, "thy faith in Christ shall defend thee from this danger." Baithene accordingly, having received the saint's blessing, sailed from the harbour; and after they had sailed a considerable distance, he and his companions saw the whale; and while all the others were much terrified, he alone was without fear, and raising up both his hands, blessed the sea and the whale. At the same moment the enormous brute plunged down under the waves, and never afterwards appeared to them.
now bearing in mind that Andoman collected the first story by speaking to some monks and the second story by speaking to some Pictish locals (i.e. peasants) a long time after the Saints death consider the questionCHAPTER XXVIII.
How an Aquatic Monster was driven off by virtue of the blessed man's prayer.
ON another occasion also, when the blessed man was living for some days in the province of the Picts, he was obliged to cross the river Nesa (the Ness); and when he reached the bank of the river, he saw some of the inhabitants burying an unfortunate man, who, according to the account of those who were burying him, was a short time before seized, as he was swimming, and bitten most severely by a monster that lived in the water; his wretched body was, though too late, taken out with a hook, by those who came to his assistance in a boat. The blessed man, on hearing this, was so far from being dismayed, that he directed one of his companions to swim over and row across the coble that was moored at the farther bank. And Lugne Mocumin hearing the command of the excellent man, obeyed without the least delay, taking off all his clothes, except his tunic, and leaping into the water. But the monster, which, so far from being satiated, was only roused for more prey, was lying at the bottom of the stream, and when it felt the water disturbed above by the man swimming, suddenly rushed out, and, giving an awful roar, darted after him, with its mouth wide open, as the man swam in the middle of the stream. Then the blessed man observing this, raised his holy hand, while all the rest, brethren as well as strangers, were stupefied with terror, and, invoking the name of God, formed the saving sign of the cross in the air, and commanded the ferocious monster, saying, "Thou shalt go no further, nor touch the man; go back with all speed." Then at the voice of the saint, the monster was terrified, and fled more quickly than if it had been pulled back with ropes, though it had just got so near to Lugne, as he swam, that there was not more than the length of a spear-staff between the man and the beast. Then the brethren seeing that the monster had gone back, and that their comrade Lugne returned to them in the boat safe and sound, were struck with admiration, and gave glory to God in the blessed man. And even the barbarous heathens, who were present, were forced by the greatness of this miracle, which they themselves had seen, to magnify the God of the Christians.
1. whats the main difference between these two stories
