662 PATAGONIAN EXPEDITIONS I ZOOLOGY. 



(1865: Chili); Scl. P. Z. S. 1867, pp. 330, 338 (Chili); Scl. & Salv. 

 P. Z. S. 1868, p. 143 (Conchitas, winter visitor), 1869, p. 155 (Tinta); 

 Huds. P. Z. S. 1871, p. 260 (Patagonia), 1872, p. 536 (Rio Negro); 

 Scl. & Salv. Nomencl. Av. Neotr. p. 121 (1873); Lee, Ibis, 1873, p. 

 131 (Arg. Rep., not common); Durnf. Ibis, 1877, p. 187 (Buenos 

 Aires, winter visitor); 1878, p. 398 (central Patagonia, most numerous 

 in winter, breeds in Nov.); Gibson, Ibis, 1879, p. 412 (Cape San 

 Antonio, the only one observed in six years); Doering, Expl. al Rio 

 Negro, Zool. p. 51 (1882 : valleys of the Rio Colorado and Rio Negro, 

 abundant); White, P. Z. S. 1882, p. 41 (Cosquin, C6rdoba, July); 

 Withington, Ibis, 1888, p. 470 (Lomas de Zamora); Carbajal, La 

 Patagonia, part II. p. 256 (1900). 



FIG. 338. 



Falco fusco-carulescens. Adult male, P. U. O. C. 7946. About one-third natural size. 



sEsalon femoralis, Kaup, Contr. Orn. 1850, p. 54. 

 Hypotriorchis aurantius, Heerm. Proc. Acad. Philad. 1854, p. 177. 

 Hypotriorchis fusco-ccerulescens, Gurney, Ibis, 1882, p. 158; id. List 

 Diurn. B. Prey, p. 103 (1884). 



