VOL. XVI, PP. 113-116 SEPTEMBER 30, 1903 



PROCEEDINGS 



OF THE 



BIOLOGICAL SOCIETY OF WASHINGTON 



THE NORTH AMERICAN FORMS OF ASTRAGALINUS 

 PSALTRIA (SAY). 



BY HARRY C. OBERHOLSER. 



Six geographical races of Astragalinus psaltrla (Say) were 

 recognized by Mr. Ridgway in his recent treatment of the 

 genus*, as follows: 



Astragalinus psaltria psaltria (Say). Lower California and southwest 

 ern United States from Texas and Colorado to California. 



Astragalinus psaltria arizonce (Coues). Northwestern Mexico and 

 southwestern border of the United States from Texas to California, north 

 to Colorado. 



Astragalinus pmltriq mexicanus (Swainson). Mexico, except extreme 

 southern and northwestern portions; north to Texas, New Mexico and 

 Colorado. 



Astragalinus psaltria croceus (Jouy). Southern Mexico to Panama, 

 casually to Colombia and Ecuador. 



Astragalinus psaltria jouyi (Ridgway). Yucatan. 



Astragalinus psaltria columbianus (Lafresnaye). Costa Rica to Vene 

 zuela and Peru. 



*Birds of North and Middle Amer., I, 1901, pp. 114-121. 



29-PBOC. BIOL. SOC. WASH. VOL. XVI, 1903. (113) 



