ADMINISTRATION OF THE PRESERVATIVE. 



SCHEDULE OF ADMINISTRATION. 



The fore period in Series VII began on February 1, 1904, and the 

 after period closed on March 11. The fore period extended over a 

 period of ten days, the preservative period lasted twenty days, and the 

 after period ten days, a total of forty days under observation. The 

 divisions of the periods are shown in Table I. 



Table I. Dates of periods and suoperiods, Series VII. 



Periods and subperiods. 



Date of 

 begin- 

 ning. 



Date of 

 ending. 



Fore period 



First subperiod . . . 



Second subperiod . 

 Preservative period. . . 



First subperiod . . . 



Second subperiod . 



Third subperiod . . 



Fourth subperiod . 

 After period 



First subperiod . . . 



Second subperiod . 



1904. 

 Feb. 1 



....do... 

 Feb. 6 

 Feb. 11 



....do... 

 Feb. 16 

 Feb. 21 

 Feb. 26 

 Mar. 2 



....do... 

 Mar. 7 



1904. 

 Feb. 10 

 Feb. 5 

 Feb. 10 

 Mar. 1 

 Feb. 15 

 Feb. 20 

 Feb. 25 

 Mar. 1 

 Mar. 11 

 Mar. 6 

 Mar. 11 



Series XI and XIII, mentioned in the following pages, are special 

 studies conducted at a later date. The purpose of these studies was to 

 develop certain points in regard to the effect of the preservative on 

 the blood and the distribution of the nitrogenous elements of the 

 urine, to which the results obtained in Series VII had pointed as 

 being of special interest and calling for further elaboration. 



The salt used for the administration of the sulphurous acid was 

 sodium sulphite, and the quantity of S0 2 contained therein was cal- 

 culated. About one-fourth of the weight of crystallized sulphite 

 (Na 2 S0 3 7 H 2 0) is composed of sulphurous acid (S0 2 ). The total 

 and average amounts of the preservative administered and all indi- 

 vidual variations in the quantities taken may be found in Table II. 



Table II. Schedule of administration of preservative, Series VII. 



