. The Popular science monthly . Fig. 1. One half the original size. The top record represents intragastric pres-sure (the small oscillations due to respiration, the large to contractions of thestomach) ; the second record is time in minutes (ten minutes) ; the third record iaMr. report of hunger pangs ; the lowest record is respiration registered by meansof a pneumograph about the abdomen. that the contraction precedes the sensation, and not vice versa, as Boldi-reff considered it. The contractions were about a half-minute in dura-tion, and the intervals between varied from thirty to ninet
. The Popular science monthly . Fig. 1. One half the original size. The top record represents intragastric pres-sure (the small oscillations due to respiration, the large to contractions of thestomach) ; the second record is time in minutes (ten minutes) ; the third record iaMr. report of hunger pangs ; the lowest record is respiration registered by meansof a pneumograph about the abdomen. that the contraction precedes the sensation, and not vice versa, as Boldi-reff considered it. The contractions were about a half-minute in dura-tion, and the intervals between varied from thirty to ninety seconds,with an average of about one minute. The augmentations of intragastricpressure in Mr. Washburn ranged between 11 and 13 in twentyminutes; I had previously counted in myself eleven hunger pangs inthe same time. The rate in each of us was, therefore, approximatelythe same. This rate is slightly slower than that found in dogs byBoldireff; the difference is perhaps correlated with the slower rhythmof gastric peristalsis i
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