condition of trypsin in, [33]

enzymes in, [32]

secretion of, [31], [32]

sodium carbonate in, [32]

Paths of absorption, [44]

Pawlow, on adaptation of saliva, [18]

Pepsin, in gastric juice, [25], [26]

Peptones, [67]

absorption of, [41]

cleavage by erepsin, [34]