GENERA AXD SPECIES OF EIEDS. 



15/ 



TI. OTOCORYS, Bp. * 



(Sharpe, Cat. B. Brit. Mus. xiii. p. 528, 1890 ; Dwight, 

 Auk, vii. pp. 138-158, 1890 ; Oberholser, Pr. U.s! 

 Nat. Mus. xxiv. pp. 801-883, 1902.) 

 lEremopUla (nee Eremopliihis, Humb. 1811), Harterfr, 

 Vog. Pal. Fauna, i. p. 253, 1905; Bianchi, Wiss! 

 Res. Przew. Eeisen, Aves, pp. 195-264, 1905.] 

 Cf. Bianehi, Bull. Acad. Petersb. (5) xxiii. pp. 205-240 

 (1905) ; Otto, Orn. MB. 1907, pp. 84-86. 



1. alpestris (i»i«.). (p. 541.) 

 (Oberholser, t. c. p. 807.) 



[Jlava (Gm.) ; Oberholser, t. c. p. 810; Hartert, 

 t. c. p. 255 ; Bianchi, t. c. p. 201.] 



N. Europe and 



K Asia. 

 (C. & S. Europe, winter. 



E. Siberia, N. China, 



luinter.) 

 N.E. British America. 

 (W. Canada, winter. 

 U. States, winter.) 



2. hoyti, Bishop, Auk, xiii. p. 130, 1896. 

 [Cf. Oberholser, /. c. p. 812.1 



N. & N.W. British 



America. 

 (C. U. States, winter.) 



3. arcticola, Oberholser, Pr. U.S. Nat. Mus. xxiv. 

 p. 816 (1902). 

 [leucolcBma, Sharpe (p. 538), nee Coues. 

 enthymia, Oberholser, t. c. p. 817. Cf. A. O. U. 

 Comm., Auk, xx. p. 362, 1903.] t 



Alaska and 



Jf.W. Canada. 

 (Dakota to Utah, 



and Arizona, winter.) 



4. atlas, Whitaker, Bull. B. O. C. vii. p. 47 (1898) ; Atlas Mts of 

 id. Ibis, 1898, p. 604, pi. xiii. Marocco. 



(Oberholser, t. c. p. 866 ; Hartert, t. c. p. 257.) 



* During his recent visit to England, Dr. Bianchi examined our series of Horned 

 l.ark.s, and has communicated to me the results of his studies, for which act of courtesy 

 1 return my warmest thanks. 



t Air. Oberholser writes to me that he cousiders his O. enthjmia to be a perfectly 

 distinct form, and nearer to 0. leucoleema than to 0. arcticola. 



