At birth the average U. S. child weighs 7½ lb., contains 270 bones, measures just 20½ in. from top to toe. Its stomach holds 1 oz. of food, the capacity increasing to 6 oz. in six months. At 3 weeks its diapers must be changed 13 times a day; at 3 months 20 times. It begins to crawl at 9 months, toddles and babbles words on the first day of its second year. At 3 the child can name keys, knives, pencils and answer correctly whether it is boy...
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