Bubonic plague scare -- Health continued to be a major concern -- Maori living conditions were appalling -- Influenza pandemic -- Social Security Act -- Shacks and overcrowded houses -- Maori encouraged to migrate to the cities -- Maori life expectancy -- Maori health indicators improved -- New diseases -- Measles epidemic among Ngai Tahu -- Treaty of Waitangi signed -- Colonial hospitals established in Auckland -- Maori physical health -- hospital and Charitable institutions -- Lunatics Ordinance -- Land wars led to confiscation -- Measles epidemic among North Island tribes -- Maori population fell -- Old Age Pension Act.