No. 1.] ORGANIC VARIATION. 289 
TABLE XIX. 
Exhibiting variation in relation to sex, the figures in the vertical columns refer- 
ring to the number of species and subspecies examined. 










$ 2 
FamIiLy. Larger, with Smaller, with Larger, with Smaller, with 
greatest greatest greatest greatest 
variation. variation. variation. variation. 
Culmen. 
Falconidz fo) 10 13 fe) 
Trochilidz I 6 fe) I 
Icteridze 6 fe) ° 4 
Fringillidze 7 3 ° I 
Wing. 
Falconidze ° 19 16 ° 
Trochilidz 2 5 I fo) 
Icteridz 8 fo) ° 5 
Fringillidze 13 Oo I 9 
Tarsus. 
Falconidz 2 18 8 I 
Trochilidz 
Icteridz 3 fe) fo) 2 
Fringillidz 6 fo) I 6 
Whole Length. 
Falconidz ° II 9 ° 
Trochilidz fo) 5 2 ° 
Icteridz 5 fo) ° 8 
Fringillidz I oO fo) 4 
54 Hi sr 41 
Totals, ae + 
ata ——10)2) 
TABLE XX. 
Differing from the preceding table in so far, that in addition to the four families 
therein enumerated, all species and subspecies of other families are computed, for 
which Ridgway has given individual extremes of measurements for each sex. 




$ & 
Dimensions. Larger, with | Smaller, with Larger, with | Smaller, with 
greatest greatest greatest greatest 
variation. variation. variation. variation. 
Culmen 15 19 15 7 
Wing 41 26 20 21 
Tarsus II 20 9 Io 
Whole length 16 17 12 14 
83 82 56 52 
Totals, + —_-—_- 


