XX EXPLANATION OF TAULES. 



of stature, is seen to be 5,488. This total is also formed by the horizontal line of totals 

 for each deg-ree of stature. The ratio of this grand total of all rejected in the class of 

 "Diseases of the nervous system" to the whole number of men examined, namely, 

 501,068, is stated in the next column to be 10.953. 



TABLE No. 17. 



Material.— 501,008 men of the classes of recruits, substitutes, drafted men, and 

 enrolled men, and of \arious nativities, are comprised in this table. Of this number, 

 338,248 were accepted, being in the ratio of 675.054 in the thousand; and 162,820 

 were rejected, or a proportion of 324.946 in the thousand. 



Purpose.— The purpose of this table is to show the number of men of each of the 

 several nativities represented who were rejected for disease. 



Construction.— This table is not to be read across both open pages. The list of 

 diseases, as in the foregoing table, occupies five pages, but, owing to the number of 

 nativities, it is repeated three times, making altogether four such tables, which will be 

 seen to commence at pages 431, 436, 441, and 445. Two columns are appropriated 

 to each race or nativity : one contains the number of men rejected for a disease ; and 

 the other the ratio the number bears to the whole number examined. The columns of 

 each nativity are continued through five pages. 



Totals. — The horizontal lines of totals are of three kinds. The "Total" shows 

 the number of men of each nativity rejected under a suhdivision of diseases ; the 

 "Grand total'' shows the number of men of each nativity rejected under a chss of 

 diseases; and the "Grand total for all diseases," which is at the foot of each list of 

 diseases, (pages 435, 440, 445, and 450,) shows the number of men of each nativity 

 rejected on account of all diseases. 



Onl}^ one vertical column of totals is to be found in this table, and that is on the 

 extreme I'ight of each page of the last series of nativities, which commences at page 

 445. It shows the total number rejected, of all nativities, for each disease ; the total 

 number for each subdivision and for each class of diseases ; and, at the foot of the col- 

 umn, on the last page of the table, the total number rejected of all nativities for all 

 diseases. 



Ratios. — The ratios throughout this table invariably refer to the whole number 

 of men examined, as announced at the head of the column. Thus, under every nativity, 

 the ratio shows the relation of the number of men rejected for every disease to the 

 whole number examined of that nativity. The ratio in the column of "Grand total" 

 in the last series of nativities refers to the whole number of men of all nativities so 

 examined, namely, 501,068, as stated at the head of that column. 



Example. — If, for example, an inquiry be made into the relations of phthisis pul- 

 monalis and nativity, it will be seen, on page 431, that the number rejected on account 

 of that disease of the Uiitives of the United States was 3,713 ; of the natives of British 

 America, 84; of the natives of South America, (on page 434,) 5; of Englishmen, 87; 



