DIETARY STUDIES OF A WALKING TRIP. 145 
of the length of step. The pedometer used was adjusted for a 
standard length of step (28 inches), which a test over a known 
distance had shown to be that ordinarily taken. It seems prob- 
able however, that on one or two occasions, as on a particularly 
severe mountain climb, and again on a jaunt down a railroad 
track along the ties, the step was perceptibly shortened and the 
distance measured correspondingly overestimated. Moreover, 
since the pedometer was carried not merely while on the road, 
but during the entire day, it registered the many short steps 
incidental to the building of the camp, preparation of meals, 
etc. As nearly as could be estimated these were sufficient to 
average from three to four miles of the total reading for each 
day, though it is doubtful if an equivalent of more than two 
or three miles was actually covered in this way. Making due 
allowance for these inaccuracies, however, it still does not seem 
possible that the actual mileage could have fallen below 140 
miles, or an average of twenty miles per day. 
As previously stated, camp equipage was carried sufficient 
for shelter, preparation of food, etc. Each man’s burden was 
weighed at a time when it was reduced to a minimum, and 
found to weigh twenty-three pounds. With the amount of 
food usually carried, this was frequently increased to at least 
twenty-five pounds per man. 
ROUTINE. 
The daily program was in general as follows: The subjects 
rose about daybreak (5 o’clock), took a bath in a nearby 
stream, had breakfast about 7 o’clock, and broke camp as soon 
as the luggage was sufficiently dry, which was usually between 
8 and 9 o’clock. The average rate of walking was about three 
miles per hour, with frequent stops for water, rest or observa- 
tion of the scenery. About 1 o’clock a halt of an hour was 
made for dinner, after which the walking continued till about 
5 o’clock, when a convenient location was sought for a camp. 
This found, the tent was pitched, and supper prepared and 
eaten. By the time this was finished and the day’s records 
completed, it was usually dark (8 o’clock) and the subjects 
turned in at once. 
