The percentage of proteids { Increased frequency of nursing;
is increased by { Increased liberality of nursing
{ and insufficient exercise.
The percentage of fat is { Deficiency of proteid food;
increased by { Excess of fatty foods and fasting.
The percentage of water } Increased fluid diets.
is increased by }
The percentage of water } Saline cathartics and diminished
is diminished by } fluid diets.
Percentage of sugar and ash vary little.—DR. COTTON.