nature of, in the body, [60]

older views regarding, [52]

relation to enzymes, [75]

site of, in the body, [62]

value of respiratory quotient in determination of substances undergoing, [125]

views of Lavoisier on, [56]

views of Liebig on, [57], [120]

Oxidative cleavage, [61]

Oxygen, in katabolism, [62]

relation to decompositions in the body, [61]