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332. Food for family with young children.

336. Photoelectric refractometer; by Enoch Karrer and Rollin S. Orr.

340. Service announcements. Service and regulatory announcements: List of intercepted plant pests. 1945 (list of pests recorded during period July 1, 1944-June 30, 1945, as intercepted in, on, or with plants and plant products entering United States territory); [compiled by N. Rex Hunt, Judith Hunt, and H. L. Sanford].