98 STORRS AGRICULTURAL EXPERIMENT STATION. 
made. The subject passed out the liquid and solid excreta. 
The readings of the hygrometer and thermometer inside the 
apparatus were taken by the subject on rising, and the obser- 
vations were repeated once in two hours throughout the day. 
Naturally, the inquiry regarding the subject’s physical condi- 
tion, and any changes needed, received early attention in the 
morning. 
Breakfast was ordinarily served at about half-past seven 
o'clock, dinner at about half-past twelve o’clock, and supper 
at six o’clock. Drinking water was given whenever desired, 
its weight and temperature being noted. 
The freezing apparatus required repacking with ice and salt 
about once in two hours during the day and night; the rate of 
flow of water through the aspirators by which the samples 
of air for analysis were drawn was regulated every half-hour. 
The temperature of the air of the meter was recorded hourly: 
The freezers through which the outgoing air passed were 
changed once in twelve hours, and the water condensed in 
them was weighed. The absorption tubes for the water and 
carbon dioxide of the air samples were changed once in six 
hours, at which time the temperature of the aspirators, the 
temperature of the meter, and the readings of the meter and 
of the air pump register were recorded. : 
Concurrently with all of these operations the analytical work 
was carried on and completed as rapidly as possible. 
When a respiration experiment lasts but three or four days, 
the prosecution of all this work is not extremely difficult, 
provided the force of operators is sufficiently large and well 
organized, but when it must be continued for twelve days, as 
was the case in the last experiment, the difficulty is gradually 
increased. When it is considered that both night and day 
forces, as well as the subject, are placed under quite unusual 
conditions, we deem ourselves especially fortunate in having 
been able to continue the experiment successfully for so long a 
period. 
In this connection we take pleasure in expressing our 
appreciation of the courtesy of the Electric Light and Power 
Company of Middletown, by whom a constant supply of 
power was furnished, so that no one of the experiments was 
interrupted. 

