Sayonfeis nigricans nigricans (Sv;ainson) 

 T;,nrarji\ila nigricans Sv;ainson (Co types) 



No number. Collection - Cambridge, Wing 85, tail 

 70, ciilnen 15, tarsus 16,8, middle toe minus 

 clav/ 10,0, Bullock . Locality "Table land of 

 Mexico". 



The above tagged Ragged siimmer plumage 



Tyrannula nigricans Sw. 



Bullk, Mexico. 



No number, V/ing 86, tail 76, culjnen 15, tarsus 16,2, 

 middle toe minus clav; 10. 



A typical Bullock skin, though not 

 tagged as such. Fresh fall plumage. 



Both birds have dusky -streaked under 

 tail coverts. 



A# J. Van Rossem 



