584 



Wm. E. Kellicott 



weight, the skewness is negative and varies from - 0.032 to — 0.241 in 

 the males and from —0.052 to —0.458 in the females. The skev^ness 

 is positive in some of the internal characters — w^eight of liver male 

 and female, and weight of gastrocnemii in male, in female the 

 skewness here is negative but is hardly significant — o.oio. It 



TABLE rv 



Skewness oj the jrequency polygons 



should also be noted that in general the skewness of the females is 

 the greater the average indices being — 0.129 in males and ~ 0-292 

 in females. 



Apparently no data have been published showing the frequency polygons of visceral characters among 

 any of the vertebrates except man. Figs. 2-4 are given therefore showing distributions of gastroc- 

 nemii, liver and alimentarycanal, in male and female series, and for comparison Fig. 5, total weight, and 

 Fig. 6, length of body, which is representative of the other external characters. 



