Alexander’s Tactics. Such was the arrangement which Porus made of his forces. As soon as Alexander observed that the Indians were drawn up in order of battle, he stopped his cavalry from advancing farther, so that he might take up the infantry as it kept on arriving; and even when the phalanx in quick march had effected a junction with the cavalry, he did not at once draw it out and lead it to the attack, not wishing to hand over his men exhausted with fatigue and out of breath, to the barbarians who were fresh and untired. On the contrary, he caused his infantry to rest until their strength was recruited, riding along round the lines to inspect them.684 When he had surveyed the arrangement of the Indians, he resolved not to advance against the centre, in front of which the elephants had been posted, and in the gaps between them a dense phalanx of men; for he was alarmed at the very arrangements which Porus had made here with that express design. But as he was superior in the number 291of his cavalry, he took the greater part of that force, and mar............