PULSE-RATE. 397 



the same hour of the day, the results are more or less comparable with 

 one another. 



Bro, Gul, and Gar of Squad A did the work on the ergometer between 

 the hours of O'^SO" and ll^SO"" a. m. The rest of the men in Squad A 

 came in the afternoon between 1^45™ and 4**30™ o'clock, nearly always 

 in the following order: Pec, Vea, Can, Moy, Spe, Mon, Tom, Kon, 

 and Pea. In Squad B, How, Ham, Wil, and Liv always came between 

 9^30™ and 1 1 a. m. The rest of Squad B came between the hours of 

 2 and 4''30" p. m., as follows: Sne, Van, Har, Tho, Lon, Fis, Sch 

 and Kim. 



PULSE-RATE, LYING BEFORE WORK. SQUAD A. 



The normal pulse-rates of the subjects in Squad A prior to the bicycle- 

 ergometer experiments, as recorded by Professor Johnson, are given 

 in table 84. Unfortunately these interesting values were not ob- 

 tained during the normal diet period, as the records did not begin 

 until October 19, when the men had already been upon a reduced diet 

 for practically two weeks. The individual values show, however, a 

 striking tendency toward a falling off in pulse-rate, although, as would 

 be expected, relatively few reached 40 or below, hence the number of 

 italicized figures showing this lower level is proportionately reduced and 

 but few figures in bold-face type are to be noted. Emphasis must again 

 be laid upon the fact that these pulse-rates were no doubt influenced by 

 the presence of food in the stomach and previous moderate exercise. 



These pulse-rates, however, are the best pulse records we have of 

 the post-diet condition of the men in Squad A. The restricted diet 

 was discontinued on February 3. Professor Johnson made a series of 

 observations 5 days later (February 8) , which are perfectly comparable 

 with those made on January 31. All of the men who were available 

 for observation on the later date showed pronounced rises. The 

 greatest increase is that with Kon, whose pulse nearly doubled, rising 

 from 45 to 82. The smallest rise was observed with Gar, the increase 

 being from 58 to 66. The average rise for the entire squad was from 

 48 to 71. A still further average increase was noted on February 11, 

 but constant values were obtained for the following 2 days. From 

 February 20 to March 7, inclusive, there is a definite tendency for a 

 slight falling off in pulse-rate from the higher level of February 11, 

 15, and 18, so that the average for the last 5 days of observation is not 

 far from 68. The isolated instance of a pulse-rate of 89 obtained with 

 Tom, which is included in the average, should be called to attention. 

 Undoubtedly 89 is an aberrant figure which should not legitimately 

 be included in the average, but it is used here, as it represents the 

 absolute highest pulse-rate in the table. 



While, therefore, strict uniformity could not be maintained in 

 taking the pulse records in table 84 under the conditions previously 

 noted, especially the prior activity and the food in the stomach, never- 



