BIRDS OF NORTH AND MIDDLE AMERICA. 309 



(?) Alauda rnrniitn (not of TJnna'us) Swainson and Richardson, Fauna I'>()r.- 



Ani., ii, 1831, 245, part. 

 Otocoria ulpestris enthyviia Obekholseu, Proc. U. S. Nat. Mus., xxiv, no. 1271, 



Jmu' 9, 1902, 817 (St. Loui.s, Saskatchewan: coll. U. S. Nat. Mus.). 



OTOCORIS ALPESTRIS LEUCOLiEMA (Coues). 

 DESERT HORNED LARK, 



Similar to 0. a. enthymia, but color of back slightly paler and 

 grayer and superciliary stripe usually yellowish; similar also to 

 0. a. occidentaUs but upper parts paler, the back more buffy (less 

 brown), the hindneck, etc., lighter vinaceous (less cinnamomeous or 

 rufescent). Adult female similar to that of 0. a. enthymia but more 

 buffy and slightly larger. Young similar to that of 0. a. enthymia 

 but averaging slightly more buffy; general coloration of upper parts 

 pale buffy grayish, speckled with dusky and pale grayish buff or 

 dull buffy wliite, the latter in form of rounded or triangular terminal 

 spots; beneath white, the chest faintly shaded with pale grayish 

 buffy and speckled with dusky grayish. (Intermediate between 

 0. a. enthymia and 0. a. occidentaUs.) 



Adult male.— hength. (skins), f 56-163 (161); wing, 101-110 (105.8); 

 tail, 68-77 (71.5); exposed culmen, 10-13 (11.5); tarsus, 20.5-23 (21.8); 

 middle toe, 11-12 (11.7)." 



Adult female. —hength (skins), 145-152 (149); wing, 95-102 (98.6); 

 tail, 58-(37 (64) ; exposed culmen, 9.5-11.5 (10.5) ; tarsus, 20-22 (21.1) ; 

 middle toe, 10.5-12 (11.4).« 



Breeding on the northern Great Plains and arid region of the 

 Great Basin, from western Kansas, western Nebraska, and central 

 South and North Dakota to Nevada and Idaho, north, on eastern 

 side of llocky Mountains to Alberta; migrating southward to Texas, 

 Chihuahua, Sonora, and southeastern California. 



Alauda cornuta (not of Wilson) Maximilian, Reis. Nord-Amerika, 1839, 367 



(upper Missouri). 

 Eremophila cornuta Baird, Rep. Pacific R. R. Surv., ix, 1858, 403, part; Cat. 

 N. Am. Birds, 1859, no. 302, part.— Cooper, Am. Nat., iii, 1869, 75, 295, 297 

 (Montana).— Stevenson, Prelim. Rep. U. S. Geol. Surv., 1871, 464 (North. 

 Platte, Henrys Fork, etc., Montana). — Aiken, Proc. Boston Soc. N. H., xv, 



1872, 202 (Colorado).— HoLDEN, Proc. Boston Soc. N. H., xv, 1872, 202 

 (Wyoming).— Merriam, Sixth Ann. Rep. U. S. Geol. Surv., 1873, 685 (Salt 

 Lake City, Utah). 



(?)E?'emopJiila cormda, var. occidentaUs (not Otocoris occidenlalis McCall) Dresser, 



Ibis, 1865, 486. 

 Eremophila alpestris . . . var. occidcnldlis Riugway, Bull. Essex Inst., v, Nov., 



1873, 183 (Colorado). 



Alauda rufa (not of Audubon) Baird, in Stansbury's Rep. (it. Salt Lake, 1852, 



331 (Utah). 

 A\lauda] rufa Maximilian, .Touni. fiir Orn., 1858, 349, pari (upper Mi.'^souri R.). 



a Fifteen specimens. 



