3. ORDERED, That for the period January 1 to August 31, 1920, any teacher or member of the supervising staff who may be designated by the Superintendent, in accordance with the regulations to fill a vacancy caused by the death, disability or absence of a principal of a school or district, or of a director, assistant director, supervisor or supervising nurse, for a continuous period exceeding two weeks, shall receive in addition to his or her regular salary one-half of the difference between the said salary and the minimum salary of the higher position during the time of such service, but not including the Summer vacation. Teachers who may similarly be designated to fill the positions of sub-master, master's assistant, first assistant in charge, first assistant in charge, special classes, or first assistant, kindergarten, shall be paid at the rate of ninety-six dollars ($96) per year in addition to the regular salary of their rank. 4. ORDERED, That during the period January 1 to August 31, 1920, or during such portion thereof as the Dorchester High School is conducted on the two-platoon system, the head master of that school shall be paid at the rate of three hundred dollars ($300) per annum in addition to the regular salary of his rank. 5. ORDERED, That for the period January 1 to August 31, 1920, high school teachers designated to take charge of a branch or colony of a high school in a separate building shall be paid at the rate of three hundred dollars ($300) per year in addition to the regular salary of their rank. 6. ORDERED, That for the period January 1 to August 31, 1920, the salaries of temporary teachers of salesmanship are hereby established in accordance with the following schedule: Day High Schools, per period $2.00 Evening High Schools, per period $2.00 Continuation Schools, per half-day $2.00 (The term "period" is a teaching unit accompanied by a definite requirement of follow-up work.) 7. ORDERED, That for the period January 1 to August 31, 1920, deductions on account of absence of temporary teachers serving on an annual salary shall be made on the same basis as that established for regular teachers. 8. ORDERED, That for the period January 1 to August 31, 1920, in addition to the compensation provided for master's assistants, first assistants in charge, and assistants, day elementary schools, those assigned to classes attended exclusively by boys in grades above the third in the Agassiz, Bigelow, Dudley, Dwight, Eliot, Frederic W. Lincoln, Lawrence, Quincy, Sherwin, Thomas N. Hart and Wendell Phillips Districts, shall be paid additional compensation at the rate of forty-eight dollars ($48) per year, beginning with the second anniversary of their assignments to such classes and continuing until the expiration of such assignment.