The Distribution and Treatment of Late Rickets and Osteomalacia in Northern India *Published by permission of the Secretary, Scientific Advisory Board, Indian Research Fund Association.

or sunlight, but is chiefly met with among girl3 and women during adolescence and in connection with maternity. Rickets and osteomalacia are found in northern India and Kashmir in towns wherever there is deficient sunlight combined with an unbalanced dietary, and in rural areas whenever plentiful sunlight cannot compensate for a diet quantitatively and qualitatively deficient. The examination of over 1,500 cases that shows there is no caste or race distinction; a large number of urban cases occur among women and girls in fairly good social circumstances, and familial incidence is often present. The disease may start at any age, but the sex incidence shows that in late rickets and osteomalacia the chief strain falls on girls and women during adolescence and maternity, except in conditions of extreme deficiency when men and boys are also affected. The incidence of rickets