EXPLANATION OF TABLES. XIII 



men of the entire table is expressed underneath as •2.298. If this group of men be sub- 

 divided according to degrees of girth of chest, the following is seen to be the result : 



Under 29 inches 68" 



29 inches, and under 31 inches. . 157 i 



31 inches, andunder 33 inches.. lOsL^^ ^^^^^^, ^^ .^^^^^ -^ ^^^-^-^^^ 



33 inches, and under 35 inches . . 72 1 



35 inches, and under 37 inches. . 26' 



37 inches, and over 7, 



438 



If the first total of the foregoing series be followed into its details, this result will 

 be observed : 



1 inch, or less 0^ 



Over 1 inch 5 ( ^^^ under 61 inches in height, and 



Over 2 inches 41 ( under 29 inches in girth of chest. 



Over 3 inches 22) 



68 



The total formed by the addition of both varieties of complexion, namely, 609, 

 admits of the same analysis, and will furnish similar results for the whole numbers. 



The details as to Age are to be obtained from the lower section of the table by a 

 precisely similar process. 



The entire number of men of this table furnishes the following mean results : 



Mean age ^ T 26.969 years. 



Mean heisrht >of 190,621 Americans, white. - < 67.693 inches. 



Mean girth of chest. . ^ ( 33.590 inches. 



TABLE No. 5. 



This table is composed of details furnished by the examination of 19,379 colored 

 men born in the United States. Pure negroes and mulattoes of various degrees of color 

 are included in the number, though the latter class is largely in excess. This table 

 differs from the others of the series in the omission of the section of Complexion. 



The following mean results are obtained : 



Mean age 1 T 26.395 years. 



Mean height >of 19,379 Americans, colored. . < 6G.GG1 inches. 



Mean girth of chest . . ^ ^33.880 inches. 



For exiilanatmi see description of Table No. 4. • 



