On the Genus Elaenia. 405 



fuller and the white in the middle of the crown more extended. 

 Others from Chile and Catamarca usually have the breast 

 more suffused with brownish ; but one Chilian bird in this 

 respect does not differ from a Bolivian sMn. 



As a rule it seems that Bolivian birds have the bill a little 

 broader than those of Chile and Catamarca. 



I have not been able to compare specimens from Patagonia. 



18. Elaenia albiceps modesta (Tschudi). 



Elaenia modesta Tschudi, Arch. f. ISTaturg., 10, 1. (1844), p. 



274, no. 74 (descr. specim. ex Peruv. occ, typ. in Mus. 



ISTeuchâtel) ; id., Faun. Peruan. Aves (1845-46), pp. 24, 159, 



descr. part. (" W. Peru ") ; Beri, et Hellm., J. f. O., 



1905, p. 12. 

 Leptopogon modesta Bp., Consp. Av. I. (1850), p. 187 (ex 



Tsch.j. 

 Elainia modesta Sci., P.Z.S., 1859, p. 46. 

 Elainea modesta Sci., Cat. coll. Am. B. (1862), p. 217 (Peru, 



excl. specim. ex Bogota) ; id., P.Z.S., 1867, p. 338 ; Tacz., 



P.Z.S., 1874, p. 536 (Lima and Monterico ; nest and eggs 



described) . 

 Elainea pagana Sel. (nec aut.), P.Z.S., 1866, p. 99 (Lima). 

 Elainea albiceps Sci. et Salv. (nec aut.), P.Z.S., 1868, p. 174 



(Tambo Valley, S.W. Peru) ; iid., ibid., pp. 568, 569 ; 



(Arecpiipa) ; iid., ibid., p. 185 (Cosnipata) ; Tacz., P.Z.S., 



1874, p. 536 (C. Peru); Sci. et Salv., P.Z.S., 1876 r 



p. 16 (Huiro, Maranura, Potrero) ; Tacz., P.Z.S., 1879,. 



p. 234 (Tambillo, Chota ; egg described) ; id., P.Z.S., 1882,. 



p. 19 (Tamiapampa, juv.) ; Salv., P.Z.S., 1883, p. 423 



(Callao) ; Tacz., Orn. du Pérou, IL (1884), p. 263; Salv., 



Novit. Zool., II. (1895), p. 12 (Cajabamba, Huamachuco) ; 



?Berl. et Stolzm., P.Z.S., 1896, p. 364 (Garita, 



Chanchamayo) . 

 Elainea albiceps (part.) Sci., P.Z.S., 1870, p. 834 ; Sci. et 



Salv., Nomencl. Av. Neotr. (1873), p. 48 ; Sci., Cat, B. Brit. 



Mus., XIV. (1888), p. 141 (Peru) ; Sharpe, Handlist, III. 



(1901), p. 123. 



