584 RHEIDiE. 



? Rhea americana, Tsch. {nee Linn.) Wiegm. Arch. 1844, i. p. 309 



(Peru) ; id. Faun. Per., Aves, pp. 48, 593 (1846) ; Tacz. Orn. Per. 



iii. p. 600 (1886). 

 Avestiuz petizo, L. A. Gosse, Bull. Soc. Acclim. iii. p. 297 (1856). 

 Rhea americana, subsp. darwinii. Booking, Arch.f. Naturg. 1863, i. 



p. 213. 

 Struthio darwinii, Sternberg, J. f. O. 1869, p. 274. 

 Pterocnemia darwinii, G. R. Gr. Hand-list, iii. p. 2, n. 9844 (1871). 

 Ostrich [from Patagonia], Chaworth-Masters, At Home with the 



Patagonians, p. 76 (1872). 

 Pterocnemis darwinii, Sclat. ^ Salv. Nomencl. Av. Neotrop. p. 154 



(1873). 

 Avestruz petise, Darw. Natural. Voy. round the World, pp. 92-94 



(1882). 



Adult. General plumage buff-brown, most of the feathers of the 

 back and of the quills with white tips ; beneath, throat and neck 

 buff-brown, rest of the under surface whitish ; front of tarsus 

 feathered on the upper part, then covered with small reticulate scutes, 

 and on the lower part with transverse scutes : bill horn-brown ; feet 

 yellowish ; iris brown. Total length about 36 inches, bill from 

 gape 3' 6, tarsus 11. 



The plumage of the young is dusky grey, without white and 

 black feathers {Hudson). 



The young are hatched with the legs feathered to the toes. 



Hah. Patagonia, Argentine Republic, and Chili, as far north as 

 the Province of Tarapaca. 



a-d. S ad. st. et [Chili.] T. Bridges, Esq. [C.]. 



juv. et pull. st. 



e. Ad. st. 



f, g. Juv. et pull. Zool. Soc. 



St. 



h-l. cJad. etjuv. Canchosa, Cliili, Feb., April. H. Berkelev James, 



sk. Esq. [P.]: 



m. Imperfect skeleton. 



