food should be diluted, and water should be given freely between the
feedings.

_What changes should be made in the food of a child who, with all the
signs of good digestion, gains very little or not at all in weight?_

If the child seems hungry the quantity of food may be increased; but
if the child will not readily take any more in quantity the strength
may be increased by the use of the next higher formula. One should,
however, be extremely careful under these circumstances not to coax or
force a child; for this plan is almost certain to cause disturbance of
digestion and actual loss in weight. A better policy is that of
looking after the other factors in the child's life,--the care, sleep,
fresh air, etc., for with these rather than with the food the trouble
often lies.

_What should be done with infants who in spite of all variations in
the milk continue to have symptoms of indigestion and do not thrive?_

Except inmates of institutions who form a class by themselves, most
infants who receive proper care thrive upon milk if the proportions
suited to the digestion are given. Still there are some who do not.
The nutrition of such is always a matter of difficulty.

If a wet-nurse is available the employment of one is the thing most
likely to succeed, particularly if the infant is under four or five
months old.

If the infant is older, or if a wet-nurse cannot be obtained, some of
the substitutes for fresh cow's milk may be tried. One of the best is