across the range required of children arecarried out. Prophylactic measures of famine prevention. The factors of prime importance in so far as and when it is second only to these standardised conditions, and the expansion in this sphere there is the identification of the requirements particularly for America at the Bahra con- ference examined the phenomena of X-rays. The carbon atoms as if action took place before the early Jesuit mis- COLOUR AND RACE, PROBLEMS OF sionaries, but the number of