74 INFLUENCE OF FOOD PRESERVATIVES ON HEALTH. 



being 98.6 and 98.7 F. and the pulsations 88 and 92 per minute, 

 respectively. This subject apparently has a rather normal rapid 

 movement of the heart, as the pulsations only once during the fore 

 period fall below 80 and average usually about 85. 



The preservative period is begun with apparently a normal state of 

 the functions of the body organs throughout. There seems to be a 

 slight increase in febrile excitement on April 3, during the second sub- 

 period, the recorded temperatures being 99. 1 and 99 F. and the pulsa- 

 tions 100 and 96, respectively. This febrile excitement has passed away 

 on the 4th, the normal state being restored. By reason of disturbance 

 of health, no preservative was given to No. 12 from April 1 to April 5, 

 inclusive. On the 7th, during the third subperiod, when 1 gram of 

 borax per day is administered, there is a second movement of the 

 bowels, but no tendency to diarrhea. There are two movements also 

 on April 8, but without any diarrheal tendency. The ordinary normal 

 condition of the body apparently remains unchanged during the re- 

 mainder of the preservative period, the recorded data for the last day, 

 the 14th, being 99 and 99 F. for temperature, and 88 and 92 for 

 pulsations. There is manifest in this case also a slight loss of appe- 

 tite, a tendency to fullness of the head, and a general feeling of malaise, 

 not sufficient, however, to interfere with the ordinary daily vocations 

 nor with the consumption of the regular rations. 



The data in this case are also of a rather doubtful signification, 

 because of the conditions of ill health obtaining during a part of the 

 period, yet they exhibit a slight tendency toward a disturbance of the 

 normal conditions of appetite and circulation, possibly due to the admin- 

 istration of the preservative. This conclusion, however, like the one 

 in the case immediately preceding, may be subject to modification, 

 and the phenomena observed may possibly be referred to other causes. 



SERIES V. 



The method of experimental work is changed somewhat in this series 

 for the purpose of extending the observations over a longer period, 

 and at the same time studying, so far as possible, the effects of the 

 exhibition of small quantities of the preservative over a comparatively 

 long, period of time. There is no change in the character of the experi- 

 ment other than this. 



The fore period begins on April 24 and extends until May 1. The 

 preservative period begins on May 2 and continues until June 20 a 

 period of fifty days. The after period begins on June 21 and ends June 

 29. The individual records of the members of the table during the 



period follow. 



No. 1J. N. 



The vital functions appear to be in a perfectly normal condition on 

 the 24th of April. The recorded temperatures on that day are 98.4 



