NORTH AMERICAN BIRDS EGGS. 227 



474c. Desert Horned Lark. 0. a. leucolzema. 



Range. Plains of western United States, east of the Rockies and west of Kan- 

 sas and Dakota; breeds north to Alberta, and winters south to Mexico, Texas 

 and southern California. 



This species is like praticola, but paler on the back; nest and eggs the same. 



474d. Texan Horned Lark. 0. a giraudi. 

 Range. Coast of southeastern Texas. 



A pale variety like leucol&ma, but smaller; throat bright yellow, and breast 

 tinged with yellow. Nest and eggs like those of the others. 



474e. California Horned Lark. 0. a. actia. 



Range. Lower California and southern California. 



This bird is similar to the last but the yellow areas are brighter, and the nape 

 and back are ruddy. 



474f. Ruddy Horned Lark. 0. a. rubea. 



Range. Sacramento Valley, California. 



This variety has the yellow areas brighter than in any other 

 and the back and nape are more ruddy. The eggs cannot be 

 distinguished from those of the others. 



[Olive buff.] 



474g. Streaked Horned Lark. 0. a. strigata. 



Range. Northwestern United States (Washington, Oregon and northern Cali- 

 fornia). 



Similar to the last, but with the back broadly streaked with black, the ruddy 

 less intense and the underparts tinged with yellowish. 



474h. Scorched Horned Lark. 0. a. adusta. 



Range. Western Mexico, north in summer to southern Arizona. 

 This variety has the back and nape nearly a uniform pinkish ruddy with but 

 little streaking. 



474i. Dusky Horned Lark. 0. a. merrilli. 



Range. Northwestern United States and southern British Columbia, winter- 

 ing south to central California. 



Similar to praticola but slightly darker above. 



