Polioptila caerulea caerulea (Linnaeus) 

 Culicivora mexicana Bonaparte Type 



No. 40;V6. Collection - Berlin. V^ing UQ*^, tail 

 /V9.5, culmen 9.9 "mas", tarsus 16.0, middle toe 

 minus claw 8.0. Deppe. Locality - Oaxaca. 



Mounted bird in fair condition, but vdth 

 mandible missing. 'A'ithout doubt a female - probably 

 in early vdnter and certainly a bird of the year, 



Polioptila caerulea obscura Ridgv/ay 1883 



mas 



Oaixaca ^0^6 V. S^ck 



Deppe. 



Plus Stresemann's red type tag. r 



Outer tail feathers white except v;edge at base 

 of inner webs; second pair v;hite on inner webs for 

 24 mm. along vane and nearly to base on outer v/ebs; 

 third pair tipped with white for five mm. Tail 

 graduated 8 miri; shafts ■^^^^) of all tail feathers 

 dusky. This bird is nothing but a young female (first 

 fall or winter)^ Polioptila caerulea caerulea and is 

 matched exactly with a specimen from South Carolina. 

 Note that eastern caerulea has a more graduated tai^ 

 than the western N.A. races. 



Specimen examined Aug. 26, 1933. 



A, J. Van Rossem 



