(2) The team of ten dogs was unhitched, and Bucl with his own harness, was put into the sled. He had felt the general excitement, and he felt that in some way he must do a great thing for John Thornton. Murmurs of admiration at his splendid appearance went up. He was in perfect condition, without an ounce of superfluous¹ flesh, and the one hundred and fifty pounds that he weighed were so many pounds of grit and virility. His furry coat shone with the sheen of silk. Down the neck and across the shoulders, his mane, in repose as it was, half bristled and seemed to lift with every movement, as though excess of vigor made each particular hair alive and active. The great breast and heavy forelegs were no more than in proportion with the rest of the body, where the muscles showed in tight rolls underneath the skin. Men felt these muscles and proclaimed them hard as iron, and the odds went down two to one.
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What is the cumulative impact of the descriptive phrases about Buck
Together, these descriptive phrases ?