24 



Zoologia: N. Y. Zoological Society. 



[Vol. 1 



TABLE II. 



Geographical variation in the White Tip of Sixth Pair of Rectrices of 

 SeardafeUa — Outer Pair. 



TABLE III. 



Geographical variation of the White Tip of Fourth Pair of Rectrices of 



SeardafeUa. 



TABLE IV. 



Geographical variation in the White Tip of Third Pair of Rectrices of 



SeardafeUa. 



Locality 



Arizona 



Texas 



North Mexico 



West Mexico 



Guatemala 



Honduras and Nicaragua... 



Venezuela 



Brazil 



Average 

 Area 



2.9 



1 



1.2 



1.6 



6.9 



5.8 



8.4 



3.7 



