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THE  NEW   STUDENT'S   REFERENCE   WORK

III. HYGIENE:

1. PERSONAL  HYGIENE:     905.

a. Importance of good habits:   821.

b. How to  overcome  injurious  habits:    822.

c. The  transmission   of   likenesses  from   parent  to  child:

867.

d. Importance  of cleaning  and  filling   cavities   of   teeth;

1880.

e. The advantages of play:   734.

f.  The benefits of physical education:   1480.

g. The value of gymnastics:    818. h. The evil results of alcohol:  42. i.  Defects of the eye:   644.

j.  Care in the selection of spectacles:   1793. k. The necessity of breathing pure air:  2042. 1.  How the air  is made impure:    2042. m. Why the air is purer in the country than in the city: 34, n. Foods and foodstuffs:   689. I o. Adulteration of foods:  16.

2. PUBLIC HYGIENE:

905.

a. Heating  and  ventilation  of  public  buildings:    856.

b. Warming  and ventilation  of rooms:   2042.

c. Vaccination, how and why it is used:   1997.

d. The discovery of vaccination:    969.

e. Work done by Louis Pasteur:    1428.

f.  Why milk should be sterilized:   1824.

g. Captain Cook's cure for s.curvy:   905. h. The use of antitoxin in disease:   1726.

i.  The work of white corpuscles in fighting disease:   229, j.   The causes of contagious diseases:   155. k. The germ theory of disease:    761. 1. The work done by bacteria: 1219. I m. The success of hygiene in preventing disease:  905.

227?