Subject of the study.?A good many surveys of physical conditions and health in Indian children have been carried out (Aykroyd and Rajagopal, 1936; Aykroyd, Madhava and Rajagopal, 1938; Chatterjee, 1938; Mitra, 1939; Singh, 1939; Shourie, 1939; Wilson, 1939; Wilson and Mitra, 1938). However, the population of India is so heterogenous that it may be of value to add, to the surveys already carried...