This bulletin reports on the changes and progress in practice and conditions in: (1) School Housing; (2) Playgrounds; (3) Medical inspection; (4) Dental work; (5) Nutrition; (6) Open-air schools and open-window rooms; (7) The summer camp; (8) Other special schools and classes; (9) Health education; (10) Physical training; (11) Safety and first…

In the biennium 1926-1928 the three hundredth anniversary of the founding of modern physiology was celebrated. A tercentenary is an exceedingly small fraction of the time since man discovered the use of fire, invented clothes and houses, and began to huddle together under conditions which have rendered knowledge of hygiene imperative to his…