SULPHUBOUS ACID AND SULPHITES. 783 



the least difficulty of any member of the class in passing .through the 

 observation. 



The average weight for the entire preservative period was 57.17 

 kilograms, practically the same as in the fore period. 



This subject complained once or twice of a sensation of hunger 

 during the first part of the after period, but had no other symptoms. 

 His temperature throughout the after period is somewhat subnormal, 

 pulsations normal. The average weight for the entire after period 

 was 57.42 kilograms, a slight gain over the preservative period. 



No. 11. A. M. 



This subject was in good condition during the relaxation period. 

 Heart action was normal, and the urinary examination revealed 

 nothing wrong with the kidneys or other organs,. He entered the 

 fore periods in excellent condition, temperature on the first day 

 registering 98.4, pulsations 75 beats per minute, and weight 66.6 

 kilograms. These figures remained remarkably constant throughout 

 the entire fore period. His average weight for the fore period was 

 66.46 kilograms. 



The same conditions prevailed during the first preservative sub- 

 period, though a slight headache developed on the last day- of the 

 period, which passed away, however, before the following day. No 

 rise in temperature or increase of pulse was noted during this sub- 

 period, for which the weight was 66.52 kilograms. 



The second preservative subperiod passed with no incidents worthy 

 of mention. Temperature and pulse for the period were 98.3 F. 

 and 66, respectively. The body weight was 66.55 kilograms, practi- 

 cally the same as in previous period. 



On the first day of the third preservative subperiod No. 11 had a 

 slight headache. It disappeared by the following day, but returned 

 on the next day, on which there is recorded a slight increase of tem- 

 perature and pulse, but not sufficient to be called abnormal. The 

 body weight for this subperiod was 66.52 kilograms, being very con- 

 stant so far. 



No. 11 was apparently normal at the beginning of the fourth pre- 

 servative subperiod, temperature 98.5 F. and pulse 72 beats per 

 minute. He had a headache accompanied with sensation of dizzi- 

 ness on the following day, and temperature registered 99 F., pulse 

 normal. He had no further trouble until the last day of the sub- 

 period, when he complained of having pains in the region of the 

 kidneys and symptoms of taking a slight cold. Temperature and 

 pulse on this day were 98.7 F. and 75, respectively. His average 

 weight for this subperiod was 66.75 kilograms, a slight gain. The 

 average weight for the entire preservative period was 66.59 kilograms. 

 A slight trace of albumin in the urine developed during the latter 



