718 THINOCOETTHIDJB. 



Key to the Species. 



a. Larger : throat white, with a hlack border ; 



fore-neck grey, uniform without any mesial 



streak orbignianus, p. 718. 



b. Smaller : throat white ; fore-neck grey, with a 



mesial line of black, bifurcating on each side 



of the white throat rumicivorus, p. 719. 



1. Thinocorus orbignianus. 



Tinochorus orbignvanus, Geoffr. fy Less. Cent. Zuol. p. 137, pis. 48, 



49 (1830) ; Eraser, P. Z. S. 1843, p. 115 (Chilian Andes) ; Gay, 



Faun. ChiL, Zool. i. p. 387 (1847). 

 Thinochorus ingEe, Tschudi, Arch. f. Nat. 1843, p. 387 (Peru) ; id. # 



Cab. Faun. Peruan., Aves, pp. 45, 279 (1845-40: 14,000 ft.) ; Bp. 



C. R. xliii. p. 420 (1856J; Cass. U.S. Expl. Erped. p. 288 (1858) ; 



Pelz. Reis. Novara, Fog. p. 113 (1865: Chili) ; Scl. P. Z.S. 1867, 



p. 990 (Chili) ; id. $■ Sulv. t. c. p. 990 (Peru) ; Gray, Hand-l. B. iii. 



p. 20, no. 10050 (1871) ; Tacz. P. Z. S. 1874, p. 55li (Junin). 

 Thinochorus orbignyanus, Gray, List Grail. Brit. Mus. p. 51 (1844: 



Chili) ; id. Gen. B. iii. p. 521, pi. 135. fig. 2 (1845) ; Reichenb. Gall. 



tab. clxxx. figs. 1852-53 (1850); Bp. C. R. xliii. p. 420 (1856) ; 



Burm. Reise La Plata-St. ii. p. 500 (1861); Gray, List. Gall. 



Brit. Mus. p. 94 (1867) ; Scl. P. Z. S. 1867, p. 331 (Chili) ; id. $ 



Salv. t. c. p. 989 (Peru) ; iid. P. Z S. 1868, p. 570; Gray, Hand-l. 



B. iii. p. 20, no. 10048 (1871); Scl. 8f Salv. Nomencl. Av. Neotr. 



p. 144 (1873); iid. P. Z.S. 1879, p. 641 (Bolivia); Tacz. Orn. 



Perou, iii. p. 281 (1886 : up to 12,000 and 14,0U0 ft.) ; Scl. P. Z. S. 



1886, p. 403 (Tarapaca) ; id. # Huds. Argent. Orn. ii. p. 178 



(1889); Scl. P. Z.S. 1891, p. 137 (Tarapaca); James, New List 



Chilian B. p. 11 (1892). 

 Glareola cuneicauda, Peak, U.S. Expl. Exped. p. 244 (1848: Island 



of San Lorenzo, Peru), 



Adult male. General colour above sandy rufous, thickly mottled 

 with black centres to the feathers and lighter sandy-buff margins ; 

 •wing-coverts like the back, but the markings browner ; the inner 

 greater coverts barred with rufous towards the tips, like the inner- 

 most secondaries ; bastard-wing, primary-coverts, and quills brown, 

 fringed with white at the tips, more distinct on the inner secondaries, 

 which have concealed white bases ; upper tail- coverts sandy rufous, 

 with brown bars of irregular arrow-head shape ; tail-feathers black, 

 with buffy-white tips and a few notches or bars of sandy rufous ; 

 crown of head sandy rufous, with small black centres to the feathers ; 

 a broad frontal band of grey ; eyebrow and ear-coverts shown with 

 narrow dark shaft-streaks ; nape and hind-neck blue-grey, extending 

 over the sides of the neck and hinder cheeks, and occupying the 

 entire throat and chest; the base of the cheeks and chin white, 

 separated from the grey throat by a line of black spots ; remainder 

 of under surface of body white, with a creamy-buff tinge on the 

 breast and under tail-coverts ; across the chest a narrow and dis- 

 connected line of black ; sides of upper breast sandy buff, mottled 

 with dark brown ; on the flanks a patch of brown feathers ; axil- 

 laries and under wing-coverts black, the latter tipped with white, 



