BIRDS OF THE FAMILIES TANAGRID^ AND ICTERID^ I53 



Eastern Mexico, in states of Tamaulipas, Vera Cruz, San Luis 

 Potosi, and Puebla. 



Type^ no. 135 168, U. S. National Museum, $ ad., Alta Mira, 

 Tamaulipas, E. Mexico, Oct. 17, 1S94; F. B. Armstrong. 



Icterus mesomelas taczanowskii. Taczanowski's Oriole. 



Similar to Icterus inesomelas mesomelas (Wagler), but slightly 

 smaller and with black at base of inner webs of lateral rectrices more 

 restricted, less intense, and less sharply defined. 



Western Ecuador; Central Peru? Geographic range widely 

 separated from that of /. m. mesomelas by the intervening much 

 larger black-winged Central American form. Icterus meso?nelas 

 salvinii (Cassin). 



lype^ no. 101265, U. S. National Museum, adult (^ ?), Guaya- 

 quil, Ecuador, 1884; Dr. Wm. H. Jones, U. S. N. 



Agelaius phoeniceus fortis. Thick-billed Red-wing. 



Similar to Agelaius phoeniceus phoeniceus^ but decidedly larger, 

 with bill relatively much shorter and thicker ; adult females, adult 

 male in winter, and immature males similar in coloration to the same 

 oi A. p. sonoriensis, but distinguished by very different measurements. 



Breeding range unknown, but evidently somewhere in the central 

 portion of North America ; during migrations occurring in Manitoba, 

 Minnesota, Nebraska, Indian Territory, Illinois (i^arely or casually), 

 and westward to and including the Rocky Mountains and southward 

 to Arizona, noithern Chihuahua, New Mexico, and western Texas. 



Type^ no. 88093, U. S. National Museum, 9 ad,, Omaha, Nebraska, 

 March 9, 1878; Dr. R. W. Shufeldt. 



Agelaius phoeniceus neutralis. San Diego Red-wing. 



Similar to A. p. sonoriensis but smaller ; adult female much darker, 

 with streaks less strongly contrasted above, those on under paits rather 

 broader and grayer, the upper parts with little if any of rusty, even in 

 winter. 



Great Basin district of United States northward to eastern British 

 Columbia, southwestward to southern California (San Diego district) 

 and noithern Lower California. 



Type, no. 134297, U. S. National Museum, 9 ad., Jacumba, San 

 Diego Co., California, May 36, 1894; Dr. Edgar A. Mearns, U. S. A. 



Agelaius phoeniceus caurinus. Northwestern Red-wing. 



Similar to A. p. phcvniceus but wings and bill longer, the latter more 

 slender ; adult male with buff of middle wing-coverts deeper (deep 



