24 



DAVID I. MACHT AND SHACHNE ISAACS 



Pantopon or pantopium, which is a mixture of the hydro- 

 chlorides of all the opium alkaloids, containing 50 per cent of 

 morphin, was administered in seven experiments, the doses 

 emploved being 8. 10 and 15 mgm. in different cases. 



TABLE 3 

 Dr. Macht; July 28, 1916; 2.30 p.m.; Morphin 4 mgm. 



Key to tables: M. = mean or average reading in seconds; m.v. = mean variation; r.v. = 

 relative variation. The line marked Time, indicates the time after injection of the drug 

 when the readings were begun. Figures in parentheses indicate the number of readings 

 made. 



Owing to the expense of publication, it is impossible in this 

 paper to report in tabular form all the data obtained in the pres- 

 ent investigation. Only the chief results will therefore be de- 

 scribed here. Tables 3 and 4, however, are printed as examples 

 of the manner in which the data were studied. In table 3 the 



