“…Aykroyd (18) reports on a study tour to Jamaica, Puerto Rico, St. Thomas, Surinam, British Guiana, Grenada, Barbados, St. Lucia, Dominica, Antigua, St. Kitts, and Trinidad taken during the winter of 1963-64. In his travels he examined charts of children under treatment for malnutrition, and he reported impressionistic data about changing breast-feeding practices.…”