ORDER PASSERIFORMES. 215 



Otocoris alpestris ammophila Oberholser. Mohave Homed Lark. [474o.] 



Otocoris alpestris ammopkila Oberholser, Proc. U. S. Nat. Mus., XXIV, 

 No. 1271, June 9, 1902, 849. (Cosa [.= Coso] Valley, southeastern 

 California.) 



Range. — Mohave Desert to Owens Valley, California. Ranging in winter 

 to extreme southern California and Nevada. 



Otocoris alpestris leucansiptila Oberholser. Sonora Homed Lark. [474_/.] 



Otocoris alpestris leucansiptila Oberholser, Proc. U. S. Nat. Mus., XXIV, 

 No. 1271, June 9, 1902, 845, 864. (Yuma, Arizona.) 



Range. — Extreme southern Nevada south along the Colorado River in 

 western Arizona and eastern California to northeastern Lower California.^ 

 [Additional races of O. alpestris occur in Mexico, Colombia, Europe, and Asia.] 



Family HIRUNDINIDAE. Swallows. 



Gents CALLICHELIDON Baird. 



Callichelidon Baird, Review Amer. Birds, sig. 19, May, 1865, 303. Type, 

 by orig. desig., Hirundo cyaneoviridis H. Bryant. 



• Callichelidon cyaneoviridis (Bryant). Bahama Swallow. [615.1.] 



Hirundo cyaneoviridis H. Bryant, Proc. Boston Soc. Nat. Hist., VII, 

 1859, 111. (Nassau, [New Providence, Bahamas].) 



Range. — Bahama Islands. Accidental on Garden Key, Dry Tortugas 

 (April 7, 1890),2 and at Tarpon Springs, Florida (Sept. 3, 1890).^ 



Genus TACHYCINETA Cabanis. 



Tachycineta Cabanis, Mus. Hein., I, Oct. 1851 [1850?], 48. Type, by 

 subs, desig., Hirundo thalassina Swainson (Gray, 1855). 



Tachycineta thalassina lepida Mearns. Violet-green Swallow. [615.] 



Tachycineta lepida Mearns, Proc. Biol. Soc. Wash., XV, No. 6, March 5, 

 1902, 31. (Campbell's ranch on the Laguna Mountains [Coast Range], 

 20 miles north of Campo, San Diego Co., California.) 



1 The Horned Lark of Saskatchewan has been separated as 0. a. enthymia 

 Oberholser (Proc. U. S. Nat. Mus., XXIV, 1902, 817), and that of the north- 

 ern Sierra Nevada, California, as 0. a. sierrae Oberholser (Condor, XXII, 

 1920, 34), while specimens from extreme southeastern Arizona have been re- 

 ferred to the Mexican 0. a. aphrasta Oberholser. 0. a. pallida Dwight 

 ( = dwighti Stresemann) proves to be wholly Mexican. 



2 Scott, Auk, VII, 1890, 265. 



3 Brewster, Auk, XIV, 1897, 221. 



