EXPLANATION OF TABLES XVII 



Purpose.— To exhibit the relation borne by statnre, and circumference of chest at 

 expu-ation, to Disease. 



Construction. — Table No. 1 6, Hke the preceding tables, actually consists of eight 

 separate tables. Each of these exhibits the relation of disease (and incidentally of 

 girth of chest) to a degree of stature. It is not to be followed across both pages. Two 

 degi-ees of stature are to be found upon each page, and, as the list of diseases extends 

 through five pages, it follows that the same two degrees of stature are at the to}) of five 

 consecutive pages. The two lowest degrees of stature commence at page 409 ; the 

 next two at page 414 ; the next two at page 419 ; and the last two at page 424. 



Under each degree of stature are placed : 



1. A statement of the total number of men examined of that particular height. 



2. Six columns denoting the six degrees of girth of chest, and two columns which 

 contain the totals and then- ratios. 



In this manner is shown under each degree of stature the number of men (of that 

 height) at each degree of circumference of chest who were rejected for the particular 

 disease mentioned on the line therewith. 



Totals. — The horizontal lines of totals are three in number. The first, entitled 

 "Total," is placed under a subdivision of a class of diseases, and indicates the number 

 of men of each degree of circumference of chest rejected on account of diseases 

 included in that subdivision. The second, or "Grand total," shows the like particulars 

 for the class of diseases which is formed by the subdivisions just referred to. The 

 third, or "Grand total for all diseases," will be seen to close the series illustrating a 

 degree of stature, and shows the total number of men rejected on account of all dis- 

 eases at each degree of circumference of chest, all being of the stature specified at the 

 top of the column. 



A vertical column of totals is placed under each degree of stature. It is headed 

 "Number rejected," and shows the number of men (of all dimensions of chest) rejected 

 for each disease, all being of the height specified at the top of the page. The addition 

 of these numbers, as indicated by the line drawn across the column, results in the total 

 number (of the particular height) rejected under a subdivision of diseases, and corre- 

 sponds with the addition of the horizontal line. The further addition of these sub- 

 division-totals gives the total for the class of diseases, and in like manner corresponds 

 with the addition of the horizontal line. 



On page 424, where the last degree of stature commences its series, there will be 

 seen, on the extreme right, a column headed " Grand total rejected." This exhibits 

 the total number of men of all dimensions of chest and of all degrees of stature who 

 were rejected for each disease. The addition at the foot of this column indicates the 

 total number of men rejected for all diseases, namely, 162,820. These vertical totals 

 also correspond with the addition of the lines of horizontal totals. 



Ratios. — xV ratio accompanies each of the totals in the column of "Number 

 rejected," and both are to be found under each degi'ee of stature. This ratio shows 

 the i-elation of the number of men rejected for each disease (of all dimensions of chest) 

 to the whole number examined who were of the particular height specified at the top 

 of the column. The ratios which accompany the horizontal lines of "Total" show the 

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