Babyhood . l advantagesover the old-fashioned, simple win-dow board, two forms of which arecommon. One consists of a stoutboard, about four inches wide, whichfits into the window frame, the bot-tom of the lower sash resting uponit snugly. The upper edge of thisboard may be covered with felt toensure neater contact. The sash be-ing thus raised, air enters at its-junction with the upper sash, thecurrent being directed upward, andthe fresh, cool air is gradually dif-fused about the room instead of en-tering as a horizontal and probablyinjurious draught. The other formof the board differs from tha
Babyhood . l advantagesover the old-fashioned, simple win-dow board, two forms of which arecommon. One consists of a stoutboard, about four inches wide, whichfits into the window frame, the bot-tom of the lower sash resting uponit snugly. The upper edge of thisboard may be covered with felt toensure neater contact. The sash be-ing thus raised, air enters at its-junction with the upper sash, thecurrent being directed upward, andthe fresh, cool air is gradually dif-fused about the room instead of en-tering as a horizontal and probablyinjurious draught. The other formof the board differs from that justdescribed only by being somewhatwider, six to eight inches, and beingplaced against the sash, felt beinginterposed if desired. By this ar-rangement the lower sash may beraised so that its bottom nearlyreaches the top of the board or toany less height, or it may be closedcompletely at will. Further details of how to heat,ventilate, and light the nurseryproperly will be discussed in our De-cember A MUSCULAR DISEASE. BY JAMES K. YOUNG, , PHILADELPHIA. Among- the many diseases broughtabout by the conditions of moderncivilization, there is one in particularwhich not only entails much bodilysuffering, but also great mental dis-tress to its victim, namely, lateralcurvature of the spine. This is apermanent bowing of the spine toone side, accompanied by a twistingof the body in a spiral manner uponits axis. It is seldom that there isbut one curve, the spine usuallybending above or below the firstcurve, so as to establish the equilib-rium. In this manner two andsometimes three curves are pro-duced. This affection is of great interestto the mothers of the land, becauseit occurs more frequently in youth,being usually noticed before thefourteenth year. In those unfor-tunate cases which are not recog-nized early, there is great danger ofthe deformity becoming are four times as many girlsas boys afflicted with this trouble,probably owing to their less activem
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