Vol. XVI, pp. 113-116 September 30, 1903 



PROCEEDINGS 



OF THB 



BIOLOGICAL SOCIETY OF WASHINGTON 



THE NORTH AMERICAN FORMS OF ASTRAGALINUS 



PSALTRIA (SAY). 



BY HARRY C. OBERHOLSER. 



Six geographical races of Astragalinus psaltria (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 arizonte (Cones'). — Northwestern Mexico and 

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

 to Colorado. 



Astragalinus psaltria 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 columbiamis (La-fresnaye). — Costa Rica to Yene- 

 zuela and Peru. 



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



29— Proc. Biol, Soc. Wash. Vol. XVI, 1903. (H8) 



