Later still, when his mind was no longer juvenile, he would perhaps drop the sheep-dog career entirely and give his mind to more adult pursuits. Even so, the hard practical life of his youth would not have been in vain. It would endow him with permanent grit and self-reliance.

Elizabeth was a good deal more sceptical than her husband about the future of Sirius. She expressed a fear, which did not trouble Thomas, that such a disunited being as Sirius might he doomed to a life of mental torture. Nevertheless, she finally made up her mind to enter into the spirit of the experiment, and she planned accordingly.

CHAPTER III

INFANCY

WHILE he was still unable to walk, Sirius showed the same sort of brightness as Plaxy in her cot. But even at this early stage his lack of hands was a grave disadvantage. While Plaxy was playing with her rattle, he too played with his; but his baby jaws could not compete with Plaxy's baby hands in dexterity. His interest even in his earliest toys was much more like a child's than like the ordinary puppy's monomania for destruction. Worrying his rattle, he was attentive to the sound that it made, alternately shaking it and holding it still to relish the contrast between sound and silence. At about the time when Plaxy began to crawl, Sirius achieved a staggering walk. His pride in this new art and his joy in the increased scope that it gave him were obvious. He now had the advantage over Plaxv, for his method of locomotion was far better suited to his quadruped structure than her crawl to her biped form. Before she had begun to walk he was already lurching erratically over the whole ground floor and garden. When at last she did achieve the upright gait, he was greatly impressed, and insisted on being helped to imitate her. He soon discovered that this was no game for him.

Plaxy and Sirius were already forming that companionship which was to have so great an effect on both their minds throughout their lives. They played together, fed together, were washed together, and were generally good or naughty together. When one was sick, the other was bored and abject. When one was hurt, the other howled with sympathy. Whatever one of them did, the other had to attempt. When Plaxy learned to tie a knot, Sirius was very distressed at his inability to do likewise. When Sirius acquired by observation of the family's super-sheep-dog, Gelert, the habit of lifting a leg at gate-posts to leave his visiting card, Plaxy found it hard to agree that this custom, though suitable for clogs, was not at all appropriate to little girls. She was deterred only by the difficulty of the operation. Similarly, though she was soon convinced that to go smelling at gate-posts was futile because her nose was not as clever as Sirius's, she did not see why the practice should outrage the family's notions of propriety. Plaxy's inability to share in Sirius's developing experience of social smelling, if I may so name it, was balanced by his clumsiness in construction. Plaxy was the first to discover the joy of building with bricks; but there soon came a day when Sirius, after watching her intently, himself brought a brick and set it clumsily on the top of the rough wall that Plaxy was building. His effort wrecked the wall. This was not Sirius's first achievement in construction, for he had once been seen to lay three sticks together to form a triangle, an achievement which caused him great satisfaction. He had to learn to "handle" bricks and dolls in such a way that neither his saliva nor his pin-point teeth would harm them. He was already enviously impressed by Plaxy's hands and their versatility. The normal puppy shows considerable inquisitiveness, but no impulse to construct; Sirius was more persistently inquisitive and at times passionately constructive.