CONSTITUENTS OF GOOD MOTHER’S MILK.
Reaction Alkaline.
| Contains | 3 to 4 | per | cent. | of fat |  | Sp. gravity 1030. |
| “ | 6 to 7 | “ | “ | of sugar | ||
| “ | 1 to 2 | “ | “ | of proteids |
Inorganic materials ¹/₁₀ to ²/₁₀ of 1 per cent.
Average percentage, 12 per cent. of solids to 88 per cent. of water.
REGULATING THE COMPOSITION
OF MOTHER’S MILK.
| The percentage of proteids is increased by |  | Increased frequency of nursing; |
| Increased liberality of nursing | ||
| and insufficient exercise. | ||
| The percentage of fat is increased by |  | Deficiency of proteid food; |
| Excess of fatty foods and fasting. | ||
| The percentage of water |  | Increased fluid diets. |
| is increased by | ||
| The percentage of water | | Saline cathartics and diminished fluid diets. |
| is diminished by | ||
| Percentage of sugar and ash vary little.—Dr. Cotton. | ||
FORMULÆ FOR ARTIFICIAL FEEDING
FOR BABIES.
| Age. | ||||
|---|---|---|---|---|
| 1. | Sugar of milk | ℥j |  | From 3d to 14th day. |
| Sterile water | ℥xij | |||
| Lime-water | ℥ss | |||
| Cream | ℥ss | |||
| Milk | ℥ss | |||
| 2. | Sugar of milk | ℥j | | From 2d week to 6th week. |
| Sterile water | ℥xij | |||
| Lime-water | ℥j | |||
| Cream | ℥j | |||
| Milk | ℥j | |||
| 3. | Sugar of milk | ℥j | | From 6th week to 11th week. |
| Sterile water | ℥x | |||
| Lime-water | ℥j | |||
| Cream | ℥j | |||
| Milk | ℥j | |||
| 4. | Sugar of milk | ℥j | | From 11th week to 5 months. |
| Sterile water | ℥viij | |||
| Lime-water | ℥ss | |||
| Cream | ℥j | |||
| Milk | ℥j | |||
| 5. | Sugar of milk | ℥j | | From 5 months to 9 months. |
| Sterile water | ℥vij | |||
| Lime-water | ℥ss | |||
| Cream | ℥j | |||
| Milk | ℥ijss | |||
| 6. | Granulated sugar | ℥ss |  | From 9 months to 12 months. |
| Sterile water | ℥v | |||
| Cream | ℥j | |||
| Milk[A] | ℥jv | |||
[A] It is sometimes desirable to substitute whey for milk and water.