needs of nitrogen by, [4]
needs for food by, [169]
needs and dietary habits, [268]
needs of proteid by, [268], [272]
relation of oxygen to decompositions in, [61]
resistance, see [Resistance]
sample dietary supplying needs of, [280]
site of oxidation in, [62]
surface, relation to energy exchange, [104], [105]
surface, relation to nitrogen requirement in dogs, [248]