Recenitly objections to the nieutralization hypothesis had been brought forward, anid it had beeni suggested that the stomach secreted a juice rich in neutr al clhlorides, which brought downi the acid cuirve by dilution. MacLeani lhad obtained fromii dogs, with a Pavlov pouchl, acid curves of gastric juice showing a similar shape to those obtainied from the digesting stomach in maii. during test meal examinations, and he concluded that the same processes were at work in both cases, but the

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... t perceiitage of acid lhe obtained fr-om a measurable quantity of gastric juice at the enid of ;secretion was 0.2 per cent. HCI, and this would obviously produce no fall in the acidity of