this, and should never be used, except, perhaps, for a few minutes
during the morning bath.

_At what temperature should a nursery be kept during the day?_

Best, 66° to 68° F., measured by a thermometer hanging three feet from
the floor. Never should the temperature be allowed to go above 70° F.

_At what temperature during the night?_

During the first two or three months, not below 65° F. After three
months the temperature may go as low as 55° F. After the first year it
may be 50° or even 45° F.

_At what age may the window be left open at night?_

Usually after the third month, except when the outside temperature is
below freezing point.

_How often should the nursery be aired?_

At least twice a day--in the morning after the child's bath, and again
in the evening before the child is put to bed for the night. This
should be done thoroughly, and the child should be removed meanwhile
to another apartment. It is well to air the nursery whenever the child
is out of the room.

_What symptoms are seen in a child who is kept in too hot a room?_

It becomes pale, loses appetite, shows symptoms of indigestion,