In Boston; at Laboratory part of morning. First rectal temperature measurements, with subject lying in group respiration chamber after night experiment. Regular morning program psychological measurements. Meals uncontrolled on this day except for breakfast at Laboratory.

Nov. 12 To 17, Inclusive, Squad A

Fifth digestion period for collection of feces.

November 13, Squad A

Use of bran muffins begun.

November 17, Squad B

Came to Boston; supper at restaurant. Regular evening psychological tests. Individual 5-minute practice walking on treadmill. Third experiment in group respiration chamber.

November 18, Squad B

In Boston; at Laboratory part of morning. First rectal temperature measurements, with subject lying in group respiration chamber after night experiment. Regular morning psychological experiments.

November 21, Squad A

Can and Gul examined by Dr. Chapin; Kon never examined by Dr. Chapin.

November 24, Squad A

Came to Boston; dinner and supper at restaurant. Went to theatre in afternoon. Regular evening program of psychological measurements. Individual 5-minute practice walking on treadmill. Fourth clinical examination, Dr. Goodall; third profile photographs; second Du Bois surface measurements (Moy and Spe not included). Fifth experiment in group respiration chamber.

November 25, Squad A

In Boston; at Laboratory part of morning. Regular morning program of psychological measurements. Second Du Bois body-surface measurements of Moy and Spe. First pulse measurements with subjects lying in group respiration chamber. Meals uncontrolled on this date except for breakfast at Laboratory.

Nov. 29 To Dec. 2, Inclusive, Squads A And B

Thanksgiving recess. Urine collected practically every day by Bro, Gul, Moy, Pec, and Vea.

Dec. 7 to IS, inclusive. Occupational records kept by Can and Moy of Squad A, Tho and Sne of Squad B, and 9 other man not in the squads.

December 8, Squad A

Agreement signed to continue on experiment to February 2. Approved by Professor Berry. Came to Boston; dinner and supper at restaurant. Regular evening psychological program. Began to take pulse counts in connection with psychological tests. Individual 5-minute practice walking on treadmill. Fifth clinical examination, Dr. Goodall. Sixth experiment in group respiration chamber.

December 9, Squad A

In Boston; at Laboratory part of morning. Morning psychological program, except for omission of measurements of pulse-rate after short periods of exertion (string galvanometer out of order). Meals uncontrolled on this day, except for breakfast at Laboratory.

Dec. 10 To 14, Inclusive, Squad A

Sixth digestion period for collection of feces.

December 12, Squad A

Agreement signed as to method of designation of subjects by full name in published report of research.

December I3, Squad A

Last day Spe ate at training table.

December 13, Squad B

Pedometers given men and records of walking obtained from this date to end of experiment.

December 15, Squad B

Came to Boston; supper at restaurant. Regular evening psychological program. Began to take pulse counts in connection with the psychological tests. Fis ill and not present; substitute, Leo, in all but psychological measurements. Individual 5-minute practice in walking on treadmill. Fourth experiment in group respiration chamber.

December 16, Squad B

In Boston; at Laboratory part of morning. First records of pulse-rate, with subject in lying position, after night experiment in group respiration chamber. Regular morning psychological measurements.

December 19, Squad A

Came to Boston; dinner and supper at restaurant. Tom had dinner in Springfield. Regular evening psychological program. Individual 5-minute practice walking on treadmill. First blood tests, Miss Gibson; sixth clinical examination, Dr. Goodall. Seventh experiment in group respiration chamber.

December 20, Squad A

In Boston; at Laboratory part of morning. Electrocardiograms taken on three men while they were in bed in the group respiration chamber; others taken on some of the men while they were in reclining position in the psychological laboratory.

Dec. 20, 1917, To Jan. 6, 1918, Inclusive

Christmas recess. Squad A. Urine collected daily by Gul; except on December 22-30 and December 31 - January 1 by Pec.

January 5, Squad B

Came to Boston; supper at restaurant. Regular evening psychological measurements. McM had had trouble with stomach previous 10 days; Lon ill, substitute, Kim; Mac called to Naval Reserves and Sch took his place. Regular psychological measurements on two new subjects, Kim and Sch. First clinical examination, Dr. Goodall; first blood examination, Miss Gibson; first Du Bois body-surface measurements; first profile photographs. Fifth experiment in group respiration chamber.

January 6, Squad B

In Boston; at Laboratory part of morning. First body-weights for Kim and Sch. First standing experiments with portable respiration apparatus and first pulse records standing. First treadmill walking experiments. No psychological measurements in morning, only strength of grip. Standing and treadmill experiments made serially, the routine for the first subject, which was typical of the others, being as follows: First subject called at about 4h00m a. m.; when weighed and dressed, he served two periods as subject for standing experiment, with pulse records during standing; at 5 o'clock he was ready for the 24-minute treadmill experiment; pulse record made 5 minutes after walking experiment ended.

January 7, Squad B

First urine collections by all but How and Lon. Kim now serving in place of McM.

January 7, Squad A

Can, Gar, Gul, Mon, Pea, Pec, and Yea returned from Christmas recess; at table for all three meals on this day. Moy at dinner and supper, but breakfasted elsewhere.