raised

to different heights, affording an index to the amount of pre ure in the right auricle. Gaffky, hygienist, 1859-1918.] formula for the cla ification of cases of tuberculosis according to the number of tubercle bacilli in the sputum. The following is the table as modified by- Lawrason Brown: (i) One to four bacilli in whole preparation; (2) one on an average in many fields; (3) one on an average in each field; (4) two to three on an average in each field; (5) four to six on an average in each field; (6) seven to twelve on an average in each field; (7) thirteen to twenty-five on an average in each field; (8) fifty on an average in each field; (9) one hundred on an average in each field.