One can imagine them rose-red in the dawn, when the order came at last, and Alexander the Invincible closed in grips with his new antagonist. Plain sailing at first, despite the false alarm of the last day's march to Taxîla, when a complete army in order of battle was seen on the horizon, and startled Alexander into instant dispositions for attack, until this display of force was proved to be an Indian form of honourable reception. The Serpent-City, yielded up to him by its willing ruler without a blow, gave occasion "for more sacrifices which were customary for him to offer." Once again, however, _not_ customary to "Taxîles the Indian," who must have watched this honouring of strange gods with furtive, wily eyes, thinking the while of Porus, with the whole of his mighty army waiting on the further side of the Jhelum River for this upstart Western conqueror as a spider waits a fly. Here at Taxîla, also, "the king of the Mountaineer-Indians sent envoys, the embassy including the king's brother, as well as the other most notable men." This is one version of the story. Another is that Alexander fought a pitched battle with the mountaineers, defeating them, of course; but this is negatived by Arrian's distinct assertion that when the conqueror moved Jhelum-wards in May, he left behind him only "soldiers who were invalided by sickness." In those days Taxîla was a University city, one of the largest in the East--rich, luxurious, populous--noted as the principal seat of learning in Northern India. All that is left of it now is some miles of ruins between Hasan-Abdâl and Rawalpindi, and a few copper and silver pieces, more ingots than coins, punched in quaint, rude devices. To Alexander it was a hospitable resting-place, where king vied with conqueror in lavish generosity of mutual gifting. Golden crowns for the Macedonian and all his friends; caparisoned chargers, Persian draperies, banqueting vessels for the king and courtiers. Pleasant rain fell also, laying the Punjâb dust, and hastening the flower-buds to bursting. But behind all the policy and the pleasure, like a low, distant thunder cloud, lay Porus, with an army fifty thousand strong, biding his time beyond the river. He had to be faced; so, early in May, Alexander, his small force augmented by a contingent from Taxîla, arrived on the banks of the Hydaspes. Very different weather now from what it had been in March. The hot winds were blowing, the rocks and sand were all aglow, and in its widening bed, as the Jhelum debauched from the hills, the river, swollen by the melting of Himalayan snows, showed a turbulent flood, separating him from his enemy, who, with all his army and his huge troop of elephants, could be seen lining the opposite shore. How to cross to him, how to give the invincible Macedonian cavalry time to recover and re-form after a forced passage, was the problem before Alexander.