1;  The age at which the Levites were to begin to serve, and
     the duration of the service.
  4;  The duty of the Kohathites.
 16;  The charge of Eleazar.
 17;  The office of the priests.
 21;  The duty of the Gershonites;
 29;  of the Merarites.
 34;  The number of the Kohathites;
 38;  of the Gershonites
 42;  and of the Merarites.

  1