After he of weak lungs has once built them up again and regained the former vigor, he should not only be sure of his daily in-door exercise and of his constitutional, but of a longer outing daily than a stronger man would need. President Day, of Yale, said to have been a consumptive at seventeen, by good care of his body lived to be ninety-five, and it is far from uncommon for delicate persons, who take good care of the small stock of vigor they have, to outlive sturdier ones who are more prodigal and careless.

APPENDIX I.

Showing the average state of the development of 200 men upon entering the Bowdoin College Gymnasium, from the classes of '73, '74, '75, '76, and '77.

Age 18.3 years.
Height5 ft. 8 in.67.974 in.
Weight135 lbs.134.981 lbs.
Chest (inflated.)35 in.35.067 in.
Chest (contracted)321/4 in.32.29 in.
Forearm10 in.10.03 in.
Upper arm (flexed)11 in.10.960 in.
Shoulders (width)151/2 in.15.602 in.
Hips311/2 in.31.475 in.
Thigh191/2 in.19.612 in.
Calf121/2 in.12.729 in.

[APPENDIX II.]

Showing the average state of the growth and development of the same number of men (200) after having practised in the Bowdoin Gymnasium half an hour a day four times a week, for a period of six months, under Dr. Sargent.

Height5 ft. 81/4 in.68.254 in.
Weight137 lbs.137.123 lbs.
Chest (inflated)363/4 in.36.829 in.
Chest (contracted)33 in.33.206 in.
Forearm103/4 in.10.760 in.
Upper arm (flexed)12 in.11.903 in.
Shoulders (width)161/4 in.16.260 in.
Hips333/4 in.33.875 in.
Thigh21 in.20.964 in.
Calf131/4 in.13.232 in.

In this case the apparatus used was light dumb-bells, 2½ lbs.; Indian clubs, 3½ lbs.; pulley-weights, from 10 to 15 lbs.