Bread, 24 oz.; meat, 17 oz.; rice, 2 oz.; sugar, 2 oz.; coffee, 1 oz.; tea, 1/4 oz.; rum, the equivalent of 1/2 oz. of carbo-hydrate, lemon juice, salt and pepper.

This contains :

Protein, 154; fat, 31; carbo-hydrate, 457; calories, 2,793; and for a man of 11 stone gives 40 calories and 2.2 grammes of protein per kilogramme. This ration was much lower in caloric value than is desirable for men undergoing severe exertion, and was especially deficient in fat.

The caloric value of modern war rations is much greater and has already been given on p. 137.

Various Dietary Studies Of Workmen Doing Moderately Severe Work Have Given The Following Results

Protein.

Fat.

Carbohydrate

Calories

Author.

English labourer ....

184

71

570

3,655

Smith &

Playfair

„ blacksmith

176

71

666

4,007

Playfair

German farm labourer

143

108

788

4,696

Ranke

French farm labourer

149

79

830

4,560

Gautier

Some studies of the diet of those doing especially severe work have already been referred to on p. 135.

In conclusion, we may adopt Atwater's standards as embodying the results of modern investigations into the diet of adults.

Protein,

Calories.

Woman with light muscular exercise ....

90

2,400

Woman with moderate muscular work .

100

2,700

Man without muscular work....

100

2,700

Man with light muscular work...

112

3,000

Man with moderate muscular work ....

125

3,500

Man with hard muscular work....

150

4,500